|
US3026864A
|
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Spear gun
|
|
US2751494A
|
|
Control circuit
|
|
US2763430A
|
|
Rectangular to polar coordinate converter
|
|
US2534712A
|
|
Apparatus for measuring air speed
|
|
US2530428A
|
|
Electrical indicator plotting board for loran navigation
|
|
US2946260A
|
|
Bomb range computer
|
|
US2653285A
|
|
Electrical comparator circuit
|
|
US2703400A
|
|
Compensated plan position indicator
|
|
US2823585A
|
|
Bombing system
|
|
US2711856A
|
|
Bombing computer
|
|
US2784908A
|
|
Electrical navigation apparatus
|
|
US2576339A
|
|
Variable rate sweep voltage generator
|
|
US1018183A
|
|
Track-liner.
|
|
US882674A
|
|
Stiffening-cape for coat-collars.
|
|
CA68714A
|
|
Liquid balance
|
|
US682382A
|
|
Liquid-balance.
|
