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Details and Image
Item#
Type
Model No.
Match No.
Variant No.
Model Name
Maker
Country
Production or Serial No.
Material
Scale Length
Date
Condition
KEU154
Linear
n/a
4630
1
American
Keuffel & Esser
USA
29
Engine divided celluloid laminated boxwood
"10"
1898
C4
Notes:
Early forerunner of model 4054. Unlisted in K&E catalogs. Has window cutout to read reverse of slide only on right side of sliderule. Indicator is wider than on later 4054 rules.
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Condition Code
to obtain more details.
