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Found Results

Allgemeine Theorie der Musik auf den Rhythmus der Klangwellenpulse gegründet

texts

Beschreibung einer Lochsirene für die gleichzeitige Erregung mehrerer Töne

texts

Sur la Sirène, nouvelle machine d’acoustique destinée à mesurer les vibrations [...]

texts

Opelt’s Siren Disk

Description The earliest siren is attributed to Charles Cagniard de la Tour in 1819 (See the entry for Cagniard de la Tour Siren) Polyphonic sirens, with concentric [...]

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

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

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

Demonstration of a disk siren

This video demonstrates the principle of a disk siren. The device consists of a rotating machine accompanied by a series of cardboard perforated discs and bearing indications [...]

video

Browse Entries

Entry Types

Allgemeine Theorie der Musik auf den Rhythmus der Klangwellenpulse gegründet

Beschreibung einer Lochsirene für die gleichzeitige Erregung mehrerer Töne

Sur la Sirène, nouvelle machine d’acoustique destinée à mesurer les vibrations [...]

Opelt’s Siren Disk

Description The earliest siren is attributed to Charles Cagniard de la Tour in 1819 (See the entry for Cagniard de la Tour Siren) Polyphonic sirens, with concentric [...]

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 [...]

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 [...]

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 [...]

Demonstration of a disk siren

This video demonstrates the principle of a disk siren. The device consists of a rotating machine accompanied by a series of cardboard perforated discs and bearing indications [...]