Archive
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Collections
Details and Image
Type
Model #.
Aircraft Maker / Name
Instrument Maker
Country
Construction
Date
Scale Length
Area of Use
Instrument
J3
Generic
Mattern
U.S.A.
Metal
est. 1960's
Dia. = 8.2 cm
Flight Planning and charting
Comment:
Combination flight slide rule with a map divider
Image 1
Image 2
Image 3
