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 120
em brilliantly colored. With a lantern, it will be sufficient to remove the objective and place a large lens, like one of the above, near the focus of the condenser, when the same figures will appear. Vxi DISPERSION Is usually shown by decomposing a bearflS^f solar light with a triangular prism.…
Light · Magic Lantern
Internet Archive · Public domain (published before 1931). Free to use for anything.
