Faber-Castell 1/75/375 (variation 1)

Front

Back

Front without slide

Back of the slide

   
Length 30 cm
Number of scales 12
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing December 1938
Status of the slide rule Normal signs of use
Material of the slide rule Celluloid on wood
Type of cursor  
Status of the box Normal signs of use
Type of box
Status of the manual None
Collection number 96
Further comments  
Faber-Castell 1/75/375 (variation 2)

Back

   
Length 30 cm
Number of scales 12
Country of origin UK
Country of manufacturing Germany
Year of manufacturing  
Status of the slide rule Damaged (celluloid splitting from the wood)
Material of the slide rule Celluloid on wood
Type of cursor Aluminium with glass
Status of the box None
Status of the manual None
Collection number 48
Further comments Thies 1/75/375 has some interesting differences from the first one:
  • On top is an inch scale  instead of a cm scale
  • The bottom has a cm scale instead of a 1:25 scale
  • The back is completely different
  • The bottom of the cursor says "Made in Bavaria".

 

 Last updated: 04-09-2009