Mr. Owen Biddle is desired to procure a Rifle that will carry a half pound Ball, with a Telescope sight…. [Pennsylvania State, Colonial Records of Pennsylvania (Harrisburg, Penn.: 1852), 10:332]Telescopic sight in 1775? 1/2 pound ball is 227 grams.
Thursday, April 6, 2017
Early Telescopic Sight
I saw this once before, and fortunately found it again:
I'm told this is about a 1 1/4" bullet. No, it's .66 caliber. V=4/3*pi*r^3 and lead is 11.3 g/cc. r=0.66, so 1.32 caliber.