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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
KEU449
Linear
4055
4146
4
Favorite
Keuffel & Esser
USA
283482
Engine divided celluloid laminated mahogany
"10"
1929
C5
Notes:
Scale label font on front side of slide rule changed to a non-serif font.
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Condition Code
to obtain more details.
