Here's a precursor to video conferencing -- looking through the telephone in Die Muskete, 1933.

"Trying to blow a few notes on saxophone weighing five hundred pounds."  From Popular Mechanics, 1924.

"Inhaling 26% ammonia," from Hypnotism, A Complete System of Method, Application and Use by L. W. De Laurance, 1900.

From Die Bühne, 1925.

"Crystals that talk."  From Popular Mechanics, 1932.

From Popular Mechanics, 1933.

"Another ghost photo."  From Popular Mechanics, 1908.

"Robot fireman detects flames with 'electric eye,' which shoots an extinguishing fluid through a dummy cigar."  From Popular Mechanics, 1932.

"A modern revival of devilism and sorcery."  From Satan, His Origin, Work, and Destiny by Carlyle B. Haynes, 1920.  This should be of interest: Seance Parlor Feng Shui.

"Scene illustrating spirit manifestation," from Satan, His Origin, Work, and Destiny by Carlyle B. Haynes, 1920.

Here is proof that photographs can cast spells and welcome spirits.  From Ghost Image by Hervé Guibert, 2014.  We are reminded of our own project about photographs that conjure ghosts: The Ghost in the [Scanning] Machine.

"One of his discoveries."

From Popular Mechanics, 1931.

A ghost photo from Popular Mechanics, 1908.

"Which side of your face is more intelligent?"  From Popular Science Monthly, 1921.

From The Sketch, 1895.

Here's a precursor to The Log Lady of Twin Peaks.  From Popular Mechanics, 1931

Courtesy of the Costică Acsinte Archive.

Just as a magician should never lift a bunny by the ears, a ventriloquist should never lift a dummy by the throat.  Photo courtesy of the Stanford Archives.

"How the spirits untie Jacoby."  From Leaves from Conjurers' Scrap Books by Hardin J. Burlingame, 1891.  This should be of interest: Seance Parlor Feng Shui.