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Chronographe Leboulengé, um 1880

Currency:USD Category:Everything Else / Other Start Price:180.00 USD Estimated At:250.00 - 400.00 USD
Chronographe Leboulengé, um 1880
Chronographe Leboulengé, um 1880 Gerät zur Zeitmessung bei der Artillerieprüfung, nach Georges Ernest Jean Marie Boulengé (1837–1891), bestehend aus einer Messingsäule mit 2 Elektromagneten (Chronometer und Registrator), montiert auf den hölzernen Transportkasten. Sehr speziell und extrem selten. – Mit Kopie der englischen Bedienungsanleitung von 1882! The "Chronographe Leboulengé", c. 1880 Instrument for measuring the velocity of projectiles. It consists of a vertical column, to which are affixed two electro-magnets; the right hand one is actuated by the current of the first frame and supports an armature called the chronometer, the left hand magnet is actuated by the current of the second frame and supports an armature called the registrar. The mechanism is mounted on its wooden transport box. – Very special – extremely rare! – With a copy of the English description of the instrument of 1882. – (3/–) – € 250/400 – (316/27)