1st loud speaker operation pressing from flat piece of metal
5 x 7 in. or smaller
- Date
- 1925
- Collection
- National Photo Company
- Archive
- Library of Congress (via Wikimedia Commons)
- Type
- photograph
- Original size
- 4,322 × 5,948 pixels
Public domainsafest
Reason: National Photo Company collection at the Library of Congress: no known restrictions.
Read from: Commons licence category: PD-National Photo Company; no CC BY, CC BY-SA, GFDL or deletion tag on the file page; permission field: No known restrictions on publication. For more information, see National Photo Company Collection - Rights and Restricti.
Credit line
"1st loud speaker operation pressing from flat piece of metal" (1925). National Photo Company. Library of Congress, Prints and Photographs Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:1st_loud_speaker_operation_pressing_from_flat_piece_of_metal_LCCN2016850641.jpgNeed photos for a whole script? Add Find Any Photo to Claude and ask for this one by its id: 332336.
More like this

Final inspection of loudspeaker after baking finish
1925 · Library of Congress

Shaping bell for loudspeaker
1925 · Library of Congress

E.E. Pressler, Bu. of Standards with dish breaking machine, 5/28/25
1925 · Library of Congress

Hoover presses a button to start machinery in Detroit News, 12/6/29
1929 · Library of Congress

The latest in radio development which has been perfected by Mr. H.P. O'Reilly of Wash., D.C.
1924 · Library of Congress

You have heard. Sollenburger over the radio. time signals from the U.S. Observatory at Wash. Apparatus is one of the most powerful in the world
1924 · Library of Congress

Vivian Leroy Crisler (1885-1953), an acoustics researcher at the National Bureau of Standards, Washington, D.C., looking over a loud speaker horn used in sound penetration tests
1923 · Library of Congress

K.P. Royce of Graybear Elec. Co. making survey of noises, 2/18/26
1926 · Library of Congress