"The Telectroscope"
Harper's New Monthly Magazine
vol. LVIII, December 1878 to May 1879, 
Harpers and Brothers Publishers, New York, 1879, p. 947.

Editor's Scientific Records - Miscellanious

"The telectroscope is a new apparatus invented by Senleeg [sic], and designed for the purpose of reproducing telegraphically at a distance the images obtained in the camera obscura. The sensitiveness of selenium to light of various shades is taken advantage of its construction".

Reproduction sur le site "The Making of America" de Cornell University.



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