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  1. Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures / by Simon Henry Gage and Henry Phelps Gage.
    By: Gage, Simon Henry, - Gage, Henry Phelps,
    Publication info: Ithaca, N.Y. :Comstock Publishing Co.,1914.
    Contributed by: Gerstein - University of Toronto (archive.org)
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