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This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
The Williams gun was a Confederate gun that was classified as a 1-lb cannon. It was designed by Captain D.R. Williams, of Covington, Kentucky, who later served as an artillery captain with a battery of his design. It was a breech-loading, rapid-fire cannon that was operated by a hand-crank. The barrel was four feet long and a 1.57-inch caliber ...
An open ring sight; An etched glass optical ring sight; A Le Prieur mechanical lead computing sight. Land mountings and all single mountings all used the single open-ring sight. The Type 95 sight was used on ship-based multiple mounts, in the case where the mount has a powered drive linked to a fire director it was used as a backup.
David Marshall Williams was born in Cumberland County, North Carolina, the son of James Claude Williams by his second wife, Laura Susan Kornegay.He was the eldest of seven children and the younger half brother of the five surviving children from the first marriage of James Claude Williams to Eula Lee Breece.
Iron sights are a system of physical alignment markers used as a sighting device to assist the accurate aiming of ranged weapons such as firearms, airguns, crossbows, and bows, or less commonly as a primitive finder sight for optical telescopes. Iron sights, which are typically made of metal, are the earliest and simplest type of sighting device.
Coincidence rangefinders were important elements of fire control systems for long-range naval guns and land-based coastal artillery circa 1890–1960. They were also used in rangefinder cameras. A stereoscopic rangefinder looks similar, but has two eyepieces and uses a different principle, based on binocular vision. The two can normally be ...
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A USFS Fire Lookout using an Osborne Firefinder while on duty at Vetter Mountain, California. The device is used by moving the sights until the observer can peek through the nearer sighting hole and view the cross hairs in the further sight aligned with the fire. The fire lookout notes the degrees on the graduated ring beneath the sight. Early ...
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