Antique Hydraulic Hand Pump Bell Ring Teaching Science Model- Cast Metal / Glass

Description

Antique Hydraulic hand pump bell ring teaching science model. Measures aprox. 23" tall and 25" long.Heavy ( aprox. 35 lbs ), cast base with nice original wood handle, and a glass chamber. Chamber has a bell in it that rings when experiment is successful. Model is in very good condition, cast metal has had NO repairs and clear glass has no cracks or chips. Pump pumps and air goes into chamber. Besides that it was not further tested. This is a very old science model, and a great addition to any collection. For pickup only.