Staffel
source: Science Museum, London UK; cat.no.1927-1013 (presented to museum by Mr J A Turck)
The Illustrated London News Sept. 20, 1851
article in the Tygodnik Illustrowany (Weekly Illustrated) from May 30th, 1863, describing Staffels machine and it's function.
source: W.Szrek
source: W.Szrek
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source: W.Szrek
last updated: 15-Dez-11