Archive
of
Collections
Details and Image
Item#
Type
Model
Type No.
Version No.
Maker
Country
Material
Scale Length
Date
Condition
GIL026
Circular
Atlas
III
I
Gilson
USA
Printed Scales on Enamel Coated Aluminum Disc
"420"
c.1940
C2
Notes:
"Scale size reduced to 25 coils. Model name changed to ATLAS SLIDE RULE. Common constant values added to center of front (e.g. e - 2.718281828459, ? - 3.1415926536, etc.)"
Click on the
Condition Code
to obtain more details.
