Jump to content

File:Charles Apgar station.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (1,525 × 1,303 pixels, file size: 1.09 MB, MIME type: image/png)

Summary

Description
English: The experimental wireless telegraph station of amateur radio operator w:Charles E. Apgar in Westfield, New Jersey, in 1915.
Date
Source Apgar, Charles E. (September 1915). "Making the Records from Sayville: A Description of My Set and How I worked It" (PDF). The Wireless Age. Vol. 2 no. 11. New York: Marconi Publishing Corporation. pp. 879.
Author Charles E. Apgar

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Charles_Apgar_station.png

Captions

Charles R. Apgar's wireless station

Items portrayed in this file

depicts

September 1915Gregorian

image/png

e749806aae37c21b9215a53fa398a2c7d29e2933

1,143,940 byte

1,303 pixel

1,525 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current12:30, 5 January 2021Thumbnail for version as of 12:30, 5 January 20211,525 × 1,303 (1.09 MB)MaterialscientistFFT
21:21, 30 December 2019Thumbnail for version as of 21:21, 30 December 20191,525 × 1,303 (1.16 MB)Mu301Very slight crop to remove border
23:29, 22 December 2019Thumbnail for version as of 23:29, 22 December 20191,548 × 1,328 (1.3 MB)Mu301User created page with UploadWizard

The following page uses this file:

Metadata