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Dr. Auzoux Private Collection
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Sound
A mach’s wave apparatus
A mach’s wave apparatus
$79.8
$142.05
The mach’s wave apparatus is an apparatus were longitudinal and transverse vibrations, both progressive and stationary, can be produced. Signed by phywe, the retailer. Measurements 116 x 45 x 25 cm.
Sound
Sound
Brass siren on wooden stand
$67.82
$102.4
Rudolph Koenig Wave-machines, 1880
$48.73
$77.96
Tunning forks by Edelmann, Munich C1900.
$34.89
$68.04
Koenig Helmholtz resonators,c 1870
$75.35
$140.9
A set of 10 helmholtz resonators c 1870
$72.33
$98.37
An e. Ducretet siren model c 1880
$54.47
$69.72
Crova Disk by Max Kohl and Kipp & sons, C 1900.
$64.62
$120.84
J. Salleron Siren in case, Paris
$71.05
$120.07
Parabolic mirrors, Circa 1890.
$72.08
$130.47
Two sirens, C. 1850-1880
$51.94
$84.14
Acoustic ear demonstration model
$42.44
$65.79
Mini-canon – Sundial by Lafontaine / 18 Palais Royal / Paris
$62.62
$101.45
Lissajous tuning forks by R. Koenig.
$80.61
$117.69
A mach’s wave apparatus
$79.8
$142.05
Demonstration sounding tubes. Late 19th century
$67.83
$124.13
