Kew-Pattern Station Barometer, Cistern Movement, c. 1920s, with liquid mercury intact within brass and glass casing, housed in hinged box with instructions on how to use, wear consistent with age and use, including detached hinge, missing key.
Kew-Pattern Station Barometer, Cistern Movement, c. 1920s, with liquid mercury intact within brass and glass casing, housed in hinged box with instructions on how to use, wear consistent with age and use, including detached hinge, missing key.
