The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 259
ard to keep the shutter in place while shut.Cover the whole of the box with unglazed blackpaper, iliis simple little apparatus is all that isnecessary to show any picture on the screen.To use it, first screw the tube carrying thefocussing-tube into the hole cut for it in theside B, and push the… … Fig. 6. seen in Fig. 6. Now place a photograph in the clips on one side of the shutter,and turn it round and put one in the clips on the other side. The photographmside will be strongly illuminated by the light from the lantern, and an enlargedimage of it will be projected by the lens on to the…
Games · Amusements
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