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Scientific American, Vol. 56, No. 21 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 56, No. 21 (1887), 1887, leaf 4
inst a fleet attempting a night bombardment; the short distance beyond the end of the whiffletree. The protection of mine fields, booms, and obstacles; and rear ends of the two levers are connected together by a siege operations. These.are.all instances in which the cord, and to the center of this… … have all been pressed into service, but the difficulty BETTS’ IMPROVED CAMERA SHUTTER. has always been that just in proportion as the sights are rendered visible, the amount of light thrown on or the main plate and to pins sliding in slots in the plate, proceeding from them dazzles the eye of the…

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