Barometer Torricelli said in mahogany veneer and brass plaques, signed Bettaly PLace school Paris "and dated 1768, antique eighteenth century.
This barometer is in its juice. There is more of mercury.
A note: cracks in the wood, lack the ledge at the top, missing a screw on banding brass at the bottom, a piece of glass is broken and moves in the low wear of time, well look at the pictures (see arrows red).