![]() Chapman gave James the concepts and some of the design, whereupon they produced the Chapman-James sight. Chapman documented the first telescopic sights made by gunsmith Morgan James of Utica, New York. In a book titled The Improved American Rifle, written in 1844, British-American civil engineer John R. The first documented telescopic rifle sight was invented between 18. In the same year, James Lind and Captain Alexander Blair described a gun which included a telescopic sight. In 1776, Charles Willson Peale collaborated with David Rittenhouse to mount a telescope to a rifle as a sighting aid, but was unable to mount it sufficiently far forward to prevent the eyepiece impacting with the operator's eye during recoils. placed a thread where that glass would best discern it, and then joining both glasses, and fitting their distance for any object, I should see this at any part that I did direct it to. "This is that admirable secret, which, as all other things, appeared when it pleased the All Disposer, at whose direction a spider's line drawn in an opened case could first give me by its perfect apparition, when I was with two convexes trying experiments about the sun, the unexpected knowledge.if I. Gascoigne realised that he could use this principle to make a telescopic sight for use in his astronomical observations. Later he found that a spider had spun its web inside the case, and when he looked through the telescope he found that the web was in focus with distant objects. In the late 1630s, English amateur astronomer William Gascoigne was experimenting with a Keplerian telescope and left it with the case open. For centuries, different optical aiming aids and primitive predecessors of telescopic sights were created that had practical or performance limitations. The first experiments directed to give shooters optical aiming aids go back to the early 17th century. ![]() The Zielgerät ZG 1229 Vampir displayed by a British soldier (ca 1945)
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