Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Illustration of the Photophone’s Receiver
Photographer: From Silvanus P. Thompson's Notes on the Construction of the Photophone
Taken: 1881
Caption: Illustration of the Photophone’s Receiver
Additional Description: The transmitter in this line-of-sight system aimed its light beam at this parabolic receiving unit.
Submitted: May 27, 2023, by J. J. Prats of Powell, Ohio.
Database Locator Identification Number: p726615
File Size: 0.024 Megabytes

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