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Collections
Details and Image
Item#
Type
Model
Type No.
Version No.
Maker
Country
Material
Scale Length
Date
Condition
LAW017
Linear
6-Op
Flashrule
Lawrence
USA
Boxwood w/white painted surface and printed scales
"6"
©1946
C5
Notes:
Slide rule for selecting correct lens aperture per type of GE or Westinghouse flashbulbs.
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Condition Code
to obtain more details.
