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GB870555A
|
|
Improvements in optical goniometers
|
|
US2851924A
|
|
Adjustable ocular mounting
|
|
US2801567A
|
|
Device for projecting a plurality of optical images in the same focal plane
|
|
GB772028A
|
|
A device for projecting two or more images on to a single image plane
|
|
DE973394C
|
|
Camera, especially 35mm camera
|
|
GB440715A
|
|
Improvements in apparatus for finding the magnitudes of lead for anti-aircraft fire direction devices
|
|
DE613195C
|
|
Computing device for command devices for shooting at moving air targets
|
|
DE613101C
|
|
Device for tracking a target that is movable relative to the device stand
|
|
GB390442A
|
|
Improvements in periscope heads
|
|
GB390728A
|
|
Improvements in mountings for rangefinders on unstable supports such as ships
|
|
US1897282A
|
|
Turret rotatably mounted on board ship
|
|
GB386262A
|
|
Improvements in turrets rotatably mounted on board ship for target sighting purposes
|
|
GB384216A
|
|
Apparatus for compounding speed components particularly for gunnery purposes
|
|
GB401649A
|
|
Improvements in tables for finding the correction values for the coordinates determined by an observer standing at a distance from the gun
|
|
GB386964A
|
|
Improvements in anti-aircraft fire-control apparatus
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