"Barograph Aviation Altimeter 0-4000 Meters Jules Richard, 1932."
Barograph Aviation Altimeter 0-4000 meters Jules Richard Paris, Patents S G D G, 1932.In 1876, Jules Richard took over his father's manufacturing business in Paris. In 1882, he joined forces with his younger brother Max, who took the name Richard Frères. Although the company was dissolved in 1891, the "RF" monogram was retained as the company symbol.
Towards the end of the 1800s, Richard shifted his interests to the field of photography and photographic tools.
His brother was also interested in photography and cinema, becoming an associate of Léon Gaumont in the founding of the famous film company.
Measuring height in barometric form with an altimeter is based on estimating height by measuring atmospheric pressure.
Measuring air pressure and knowing how it varies with altitude helps you know how far from the ground I am flying. In fact, the barometric altimeter is nothing more than a barometer that measures the static pressure of the air.
The interior of the device incorporates a two-capsule aneroid movement and operates up to 4000 m.
The mahogany case has 4 hanging hooks at the top and four hooks at the bottom to dampen vibrations.
The barograph is in very good condition with some age-related wear.
The barograph is mounted in a mahogany case.
The drum is equipped with a mechanical movement lasting approximately 48 hours.
Key included.
The movement works and turns correctly.
Measurements: 19x10.5cm H. 15cm
Tracked shipping included, by express courier (UPS-DHL)
Shipping throughout the European Union.
Contact for shipments outside the European Union.
Payment: Bank transfer, Paypal
LOOK AT MY GALLERY...YOU WILL FIND OTHER INTERESTING ITEMS.
For more than 30 years in the antiques sector, Antiquariato Cherubini Zorzella guarantees its customers maximum reliability and security in purchases with careful packaging and tracking of packages.
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato