Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
630 (v2)
Aristo
Germany
Plastic
est 1973
Dia. = 22 cm
Chemistry
Notes:
1) Large circular slide rule with elements by atomic weight 3) Last appeared in the 1970 Aristo catalog
Image 1