Faber-Castell 366 System Schumacher



Front without slide


Length 28 cm
Number of scales 6
Country of origin Netherlands
Country of manufacturing Germany
Year of manufacturing 1921
Status of the slide rule Slightly damaged
Material of the slide rule Celluloid on wood
Type of cursor  
Status of the box Heavily damaged
Status of the manual None
Collection number 98
Further comments This is the only slide rule Faber-Castell made with the Schumacher system. It is very rare.

I still have to find out how the system works.



 Last updated: 04-09-2009