The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 163
THE STEREOSCOPE Fig. ioi is a reproduction in half-tone of astereograph thus obtained. We do not think it necessary to describe indetail the processes of lighting the sitter, andprefer to refer our readers to special treatises.All the sources of light employed by the ordinaryphotographer, may be… … Fig. ioo. Magnesium being generally used, we will,however, remark that the instruments in which ametallic powder is blown into a flame, cannot beused for instantaneous work, though they are themost convenient arrangements for ordinaryexposures. The result of Dr. Eders experimentsdemonstrates the…
Stereoscope · Photography, Stereoscopic
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