Public domain
Model of an Upper Pump Box
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Model of a pump plunger for a square pump cylinder. It consists of two layers of leather clamped between wooden boards. The lower half is square; the upper half consists of two triangular valves, lined with copper on the inside. Between the valves is an iron bracket for attaching the pump rod or chain.
Rijksmuseum, Amsterdam’s own descriptionSubjects
Credit lineModel of an Upper Pump Box. 1821. anonymous. Rijksmuseum, Amsterdam. Public domain.