Special thanks are due to members of the faculty of Georgetown University for making available works in the Riggs Memorial Library of that institution and giving assistance on special aspects of the subject. The writer likewise is grateful for having had the opportunity of consulting books in the splendid Epstein Photographic Collection at the Columbia University Library, and for biographical notes on Robert W. Paul secured through the Cambridge Instrument Company. Appreciation is expressed to Rev. Hunter Guthrie, S.J., dean of the Graduate School, Georgetown University, and to Dr. Alfred N. Goldsmith, consulting engineer, for kindness in reading proofs and offering invaluable suggestions.

BIBLIOGRAPHY

The following is a list of books, arranged according to the chapters of this story, which may serve to disclose any particular part of the subject to readers who wish to make a detailed study. In general articles in the various periodicals give the first, and often most complete, publication of each development. This list represents only a limited number of the books and publications consulted, but the principal titles are included:

GENERAL

Terry Ramsaye. A Million and One Nights.

New York, 1926.

A standard history of the motion picture and a special source of material on Edison, Muybridge, Armat, Latham and other early American experimenters.

Joseph Antoine Ferdinand Plateau. “Bibliographie des principaux phénomenes subjectifs de la vision depuis les temps ancients jusqu’à la fin du XVIII siècle,” Mémoires. Académie Royale des Sciences, des Lettres et des Beaux Arts de Belgique. Brussels, 1877–1878. A most complete, annotated list of works on vision.

Lynn Thorndike. History of Magic and Experimental Sciences.

New York, 1923–41.