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Pneumatic Pumps

Bosch R9/22

PRODUCED FROM 1959-1962
MODEL: W189 300d "ADENAUER"

This R9/22 comes from a later years of the W189, made specifically for the 300d Adenauer. Like the R7, this is a relatively rare pump and demands high numbers at auction when available.

The R9/22 features the traditional leather diaphragm visible on our pneumatic governor page, as well as various upgrades that increased efficiency and dependability. 

These images are from before the restoration showing what the pump looked like when it came in. Here you can see the grime that can build up on the exterior of the pump. 


Take a look through the gallery below and check back in for testing videos and updated photos as we continue the process of restoring this pump.

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