Faber-Castell 66/91



Front without slide

Back of the slide


Length 15 cm
Number of scales 9
Country of origin UK
Country of manufacturing Germany
Year of manufacturing 1933
Status of the slide rule Normal signs of use
Material of the slide rule Celluloid with metal reinforcement rods
Type of cursor Metal with glass (glass is missing)
Status of the box Normal signs of use
Type of box Brown leather, with embossed "Made in Bavaria"
Status of the manual  
Collection number 224
Further comments Distinctive is that the reinforcement rods of this slide rule do not have the normal yellow/brass color, but are silvery.

In the inside of the sleeve is written the name of the previous owner: "William Arthur Stoneham"


 Last updated: 04-09-2009