
Prototype electromagnetic microbalance for vacuum studies
Cahn RH type electrobalance; prototype electromagnetic microbalance for use in vacuum studies, but supplied with a broken ribbon suspension.
Cahn RH type electrobalance; prototype electromagnetic microbalance for use in vacuum studies; automatic recording; instrument complete with control unit but supplied with a broken ribbon suspension; commercially available April 1966.
Cahn RH type electrobalance; prototype electromagnetic microbalance for use in vacuum studies, but supplied with a broken ribbon suspension.
Control unit for automatic recording.