Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Graphic Chemical Predictor
Graphic Calculator Co.
USA
Cardstock/Plastic
c. 1958
Dia. = 20.6 cm
Chemistry
Notes:
1) Used to predict the chemical reactions 2) Used to balance chemical equations 3) This slide rule has 2 concentric disks and a clear plastic cursor
Image 1
Image 2
