MASSIOT - Lot 143

Lot 143
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Estimation :
250 - 350 EUR
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Résultat : 416EUR
MASSIOT - Lot 143
MASSIOT Rare four-sided rotating mirror used in acoustics and vibration experiments. It allows to make sensitive and to separate the variations of fast periodic movement. When the mirror is rotated, one can observe the phenomena notably the manometric flames of Koenig. Signed " MASSIOT ". About 1900-1950 Height 33 - Width 14 - Length 27 cm (accidents) Note : Some similar mirrors can be found in establishments such as the Collège Anne de Beaujeu in Moulins.
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