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Details and Image
Item#
Type
Model
Type No.
Version No.
Maker
Country
Material
Scale Length
Date
Condition
ENG003
Linear
250-BT
Enhanced Mannheim
Engineering Instruments
USA
Boxwood w/white painted surface and printed scales
"10"
c. 1950
C5
Notes:
Enhanced mannheim slide rule similar to 10-B but with trig and log scales on reverse of slide. Rear of slide rule has conversion table.
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Condition Code
to obtain more details.
