Patent Model - Improvement in Gas-Meters

Maker and role
Adolph Levy, Patentee
Production date
Oct 08 1878
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Object detail

Tinned sheet iron, steel, glass
13 x 9 7/8 x 6 7/8" (33 x 25.1 x 17.5cm)
Levy's invention "relates to certain improvements in guides for the bellows of a gas-meter, and to devices by the the movements of the bellows are imparted to the rock-shafts which operate the registering devices, the object of my improvements being to steady the movement of the bellows and to facilitate the operating of the rock-shafts." (Patent Number 208,686)
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