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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
KEU066
Linear
4090-3
4317
n/a
Log Log Trig
Keuffel & Esser
USA
477585
Engine divided celluloid laminated mahogany
"10"
1934
C5
Notes:
"Improved glass indicator marked PATENT PENDING. Patent notation: PATS. 1,488,686 - 1,930,852 PAT. PEND."
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