| Unidentified photographer/creator [E.W. Blake Jr. - Articulate Vibrations] 1878 Magazine plate Google Books LL/39536 E.W. Blake Jr., "Art.VII - A method of recording Articulate Vibrations by means of Photography", The American Journal of Science and Arts, Third Series. Vol.XVI. [Whole number, CXVI.], Nos.91-96, July to December, 1878, p.54-59.
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