ght, by rear ends of the two levers are connected together by a power of accurately laying guns at night is of import- cord, and to the center of this cord is attached another selecting the section of proper aperture, and attaching ance. In addition to this, the effective use of position cord,… … have all been pressed into service, but the difficulty BETTS' lUPBOVED CAUEBA SHT7TTEB. has always been that just in proportion as the sights are rendered visible, the amount of light thrown on o^' the main plate and to pins sliding in slots in the plate, proceeding from them dazzles the eye of the…
Patented · Torpedo · Munn · Lime · Patents · Scientific American · Plates · Weather strip · Pigment paper · Address munn · Horse power · Night sight · Express money · North tunnel · Carbonic acid · Electric light
Internet Archive · Public domain (published before 1931). Free to use for anything.
