Magic; stage illusions and scientific diversions, including trick photography (1897)
Hopkins, Albert A. (Albert Allis), 1869-1939, Evans, Henry Ridgely, b. 1861 · London : Low · leaf 473
sent to prison. As the boys opened the case theyclosed an electric circuit which released the camera shutter, and at the sameinstant operated the flashlight apparatus. Our first engraving shows the pho-tograph being taken, and our second shows the mechanism. The side and endof the camera are… … via. 8—DETAILS OK THE IUOTO DETECTIVE AIIMtATUS, I TRICK PHOTOGRAPHY. 459 of the camera box is arranged another electro-magnet, and a vertical spindlecarrying at the top a roughened disk; the electro-magnet being connectedwith a detent which engages an arm on the vertical spindle. A match isplaced…
Magic tricks
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