Sound and Science

Appunn’s “tenor” tonometer

(The following description is from a “Description of Appunn’s Tonnemeters,” by Alexander J. Ellis, F.R.S., &c.; MS in the Western Galleries of the South Kensington Museum,  [...]

artefacts

Tone-Limit Apparatus

Tone-limit apparatus, for high notes of high pitch. Made by G. Appunn & Sons.   This apparatus was designed for determining the highest vibration-frequency which is recognized by the ear as  [...]

artefacts

Tone-Limit-Apparatus_1_2730,66_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_8192_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_9216_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_10240_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_10922,66_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_12288_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_15360_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_16384_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_18432_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_20480_vps_1867-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_21845,33_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_24576_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Rough cut pieces and rough ground pieces

The first picture shows the shaped rough cuts for grinding the wood pieces and the second picture shows the rough ground wood pieces to avoid cracking  [...]

images

Cut pieces of Jack wood logs

Roughly cut wood pieces from the jack wood log. The wood is still kept on the open area before getting into rough crafting.  [...]

images

Repair and Maintenance of older drum

Craftsman Antony setting up the older drum for repair work. Craftspeople make new instruments, but repair and maintenance of the drum require a lot of attention  [...]

images

Long Jackwood-log at rest

Jackfruit trees at the material stage: Wood logs are just kept in the open area for drying; outside the workshop space to dry out the water  [...]

images

Felling mahogany

This lithograph shows two black slaves cutting mahogany trees with axes while a third person, probably their overseer, is resting on a fallen trunk next to  [...]

images

Square piano by Clementi & Co, Deutsches Museum, Munich

The instrument is signed “New Patent / Muzio Clementi & Co. / Cheapside London” on an oval cartouche surrounded by painted floral motifs in the middle  [...]

artefacts

Violin with aluminum body (MIR2033)

Violin body made of sheet aluminum with silver and copper plating; neck, fingerboard, bridge and chinrest made of wood. Dimensions L. 35.1 cm, w. top 15.9 cm, bottom  [...]

artefacts

Slavery and the Slave Trade in Africa

This text presents Stanley’s account of the African slave trade with the intention of encouraging abolitionist support.

texts

Ivory, the Pearl of the Forest

In this text, Moore outlines the role of the ivory trade in the production of pianos and addresses its historical links with slavery.  [...]

texts

Jun Zhong (均钟)

Description In the 1970s, a peculiar five-stringed instrument was unearthed from the early Warring States period tomb of Marquis Yi of Zeng in Suizhou, Hubei（湖北随州）. Evidence points  [...]

artefacts

Cagniard de la Tour- type Siren

Description This type of siren was invented by Charles Cagniard, originally developed to measure the number of vibrations of a body in a given time. Cagniard’s siren  [...]

artefacts

Sonometer

Description The Sonometer is a musical and scientific instrument with ancient roots, commonly employed in demonstrations of acoustics to show the effect of length, tension, diameter, and  [...]

artefacts

Casavant organ demonstrator

Description This is a demonstration pipe organ made by a well-known Quebec company, Casavant Frères. It was most likely obtained by the Physics department around 1925, when  [...]

artefacts

Descrizione dell’arciograno

Loose paper in large sheet format, printed on one side only, without any superscription, but with the following date at the bottom: In Venetia, after Nicolo  [...]

texts

Herrmann Scherchen (Gravesano): Anwendung elektroakustischer Musik für den Film von Oskar  [...]

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Herrmann Scherchen (Gravesano): Anwendung elektroakustischer Musik für den Film von Oskar  [...]

audio

Johann Heinrich Scheibler

The silk manufacturer Johann Heinrich Scheibler invented a method to tune keyboards with unprecedented accuracy, applying principles that he had developed in his textile factory. His  [...]

people

Catalogue des appareils d’acoustique construits par Rudolph Koenig

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Beschreibung eines Stosstöneapparates für Vorlesungsversuche

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Nachrichten von neueren Untersuchungen der Stimm- und Singwerkzeuge

texts

Ernst Florens Friedrich Chladni

Chladni was a physicist whose work focused on experimental acoustics. He invented the “Chladni figure” and various instruments. Until his death, he continued to travel and  [...]

people

A plea for phonotypy and phonography

texts

Marin Mersenne

Marin Mersenne (1588-1648), a theologist, philosopher, mathematician, and music theorist, was an important propagator of the “new science” in seventeenth-century France. In his most important acoustical  [...]

people

Max Kohl

people

Johann Friedrich Kaufmann

Inventor of the trumpet automaton, several musical automata, and the harmonichord. Clockmaker, instrument maker and musician in Dresden. Founder of the cabinet of acoustics in Dresden.  [...]

people

The Tefifon tape player

The Tefifon is an audio player that uses cartridges containing plastic tape with a vertical arrangement of grooves representing sound. It is a branch of analog  [...]

artefacts

Media Archaeological Fundus

The Media Archaeological Fundus (Medienarchäologischer Fundus, or MAF) is a collection of teaching and working materials held at the media theory department of the Humboldt-Universität zu  [...]

collections

Apparatus for singing- and speaking-arc experiments from the Max Kohl catalog

Source: Max Kohl A.G. : Physical Apparatus. Price List No. 50, Vols. II and III. Chemnitz, n.d. [1911], p. 1058.   Description on p. 1057: “Complete Apparatus for Experiments  [...]

artefacts

Max Kohl AG

In 1876, the school dropout and trained mechanic Max Hans Robert Kohl founded a workshop for precision mechanics. The company soon grew, and two years later  [...]

locations

Magnemite magnetic tape recorder

In 1952, the Amplifier Corporation of America launched one of the first clockwork-driven tape recorders, ushering in a new era of battery-operated, small, and lightweight portable  [...]

artefacts

Parabolic microphone

The parabolic microphone uses a parabolic reflector to collect and focus sound waves onto a receiver, ensuring great directional sensitivity along the axis to which the  [...]

artefacts

Tonometer

A tonometer consists of a series of steel cylinders that resonate at specific frequencies upon being struck with a metal hammer. They are used as standards  [...]

artefacts

Helmholtz’s double siren

In 1862, the German scientist Herman Helmholtz invented another important acoustic instrument, the double siren. The new instrument combined two Dove Sirens, which were positioned to  [...]

artefacts

Der physikalische und musikalische Tonmesser

texts

Hermann von Helmholtz

Hermann Ludwig Ferdinand Helmholtz, later von Helmholtz, was born in Potsdam in 1821, the son of Caroline Penne and high school principal August Ferdinand Julius Helmholtz.  [...]

people

Professor Gruetzmacher (Braunschweig): Das Teilspektrum der Glocke – Side B

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Professor Gruetzmacher (Braunschweig): Das Teilspektrum der Glocke – Side A

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Wirbelstrom-Drehmomentmesser für kleine Drehmomente

texts

Beitrag zur Übertragung oder Aufzeichnung eines breiten Nachrichtenbandes

texts

Gedruckte Schaltungen für Neuartige Fernhörer und zur Steuerung von Erdsatelliten

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Über Aufbau und Zweck des Informationswandlers

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Zeitraffung und –dehnung bei der Tonbandwiedergabe

texts

Ein Verfahren zur Sprachbandkompression

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Zeitlupe für Sprache und Musik

texts

Notes about the transmission of news – Side B

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Notes about the transmission of news – Side A

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Explanation of the electrical information storage – Side B

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Explanation of the electrical information storage – Side A

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Demonstrations of the „Tonlagenwandler“ – Side B

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Demonstrations of the „Tonlagenwandler“ – Side A

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Schallplatte Heft 2/3: Hermann Scherchen (Gravesano): Der Einfluß des Mikrophons auf  [...]

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Schallplatte Heft 2/3: Hermann Scherchen (Gravesano): Der Einfluß des Mikrophons auf  [...]

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Hermann Scherchen (Gravesano): Nachhallexperimente des holländischen Staatsradios – Side B

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Hermann Scherchen (Gravesano): Nachhallexperimente des holländischen Staatsradios – Side A

audio

Herrmann Scherchen (Gravesano): Anwendung elektronischer Musik für den Film von Oskar  [...]

audio

Herrmann Scherchen (Gravesano): Anwendung elektronischer Musik für den Film von Oskar  [...]

audio

H.J.L. Struycken

H. J. L. Struycken was a Dutch otolaryngologist, phonetician, and acoustician. After studying medicine in Groningen, in 1893 he started working at the Voorburg psychiatric hospital  [...]

people

Set of 8 Large Demonstration Tuning Forks

This specific array of precision tuning forks are highly-specialized experimental forks that relate directly to Koenig’s long-standing disagreement with Helmholtz on the nature of combination tones.  [...]

artefacts

Helmholtz Synthesizer

The sound synthesiser was Helmholtz’s clearest instrumental expression of his theory of timbre, or sound quality. Whereas his spherical resonators dissected compound sounds (vowels or musical  [...]

artefacts

Double Siren

The double siren was one of Koenig’s more popular instruments. It consisted of two “polyphonic” or “multivoiced” sirens with more than one series of holes, and  [...]

artefacts

Koenig Analyser

Description: 14 universal resonators supported by a cast iron frame. The resonators can be adjusted by sliding them outward, range from UT2 (base C) to UT5 and  [...]

artefacts

Koenig Acoustical Collection

The University of Toronto acoustics collection consists of a comprehensive series of instruments made in the Parisian workshop of Rudolph Koenig (1832–1901). Koenig was both an innovative instrument  [...]

collections

Lissajous’s figures, Wheatstone apparatus for compounding two orthogonal oscillations

This video demonstrates the principle of Chladni figures and vibrating plates. Brass plates of different shapes are fixed centrally at the top of wooden columns. Sand is  [...]

video

Appunn’s “tenor” tonometer recordings

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 12, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₇

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SI₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: 14

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: LA₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: 13

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: 11

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: FA₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: RE₆

artefacts

Tuning fork by Dr. R. Koenig: UT₆

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork on resonator

The Case Collection of Physics Instruments (CCPI) has several dozen forks mounted on resonance boxes (see Fig. 1). These were used as frequency standards in research and lecture demonstrations. The  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₅

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 27.06.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₁ – LA₁: LA₁ 224  [...]

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Twelve tuning forks, with ivory hammer, made by Dr. R. Koenig

series

Tuning fork by Dr. R. Koenig: SOL₁ – LA₁: LA₁ 213,3  [...]

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₁ – LA₁: SOL₁

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₁ – LA₁: SOL₁ 2:3

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₁ – LA₁: LA₁ 3:5

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₁ – FA₁: FA₁ 3:4

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₁ – FA₁: FA₁ 5:7

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₁ – FA₁: MI₁ 4:5

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₁ – FA₁: MI₁ 5:6

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: RE₁ 5:6

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: RE₁ 6:7

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: RE₁ 7:8

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: UT₁ 8:9

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: UT₁ 9:10

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: UT₁ 15:16

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: UT₁ 24:25

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: UT₁ 80:81

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁ – RE₁: 1:1

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₁

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SI₁ – UT₂ 4:7

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: UT₂

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: MI₂

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Tuning fork by Dr. R. Koenig: SOL₂

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on 12.04.2013 by Dr. Aleksander Kolkowski (Research Associate, Royal College of Music, 2013  [...]

artefacts

Eight tuning forks made by Dr. Rudolph Koenig  [...]

series

Rudolph Koenig

Karl Rudolph Koenig (also known as Rudolf Koenig or König) studied at the University of Königsberg. In about 1852, he moved to Paris and joined the  [...]

people

Tone-Limit-Apparatus_1_7680_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_6826,66_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_6144_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_5461,33_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_5120_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_ 4608_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_ 4096_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_3840_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_3418,33_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_3072_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit-Apparatus_1_2560_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

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Tone-Limit-Apparatus_1_2304_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio

Tone-Limit Apparatus

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Tone-Limit-Apparatus_1_2048_vps_1876-469

Recorded at the Acoustics Collection Storage Room, Science Museum Blythe House, London W14, on July 17, 2013, by Dr. Aleksander Kolkowski (Research Associate, Royal College of  [...]

audio