The art of projecting. A manual of experimentation in physics, chemistry, and natural history with the porte lumiere and magic lantern. (1892)
Dolbear, A. E. · Lee and Shepard · leaf 30
*7 ELECTRIC LIGHTS. denser consists of three lenses, the front one being five inches in diameter. This is shown in the cut (Fig. 8) of the transverse section of it. The objective repre¬ sented is also compound. This form of lantern is made by Hawkridge at the Stevens Institute, Hobo¬ ken, N. J.,… … work, as well as to the exhibition^ photographic trans¬ parencies. O Mr. L. J. Marcy, of PhU^&lphia, has, in an ingen¬ ious manner, made a jet which can be used with alcohol, common^!, or hydrogen, to produce the lime light. He £all^it the triple jet . The engrav¬ ing (Fig. 9) shows me lantern in…
Light · Magic Lantern
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