File:HD Arnold 1915.jpg

HD_Arnold_1915.jpg (358 × 425 pixels, file size: 54 KB, MIME type: image/jpeg)

Summary

Description
English: Snapshot of Harold Arnold taken at Arlington in 1915 during early experiments in transatlantic radio telephony
Date
Source (1933). "Harold DeForest Arnold". Bell Laboratories Record 11 (12): 351–360. DOI:10.1063/1.1749162.
Author Bell Laboratories

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:HD_Arnold_1915.jpg

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

image/jpeg

File history

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

Date/TimeThumbnailDimensionsUserComment
current04:00, 29 August 2020Thumbnail for version as of 04:00, 29 August 2020358 × 425 (54 KB)ShyamalUploaded a work by Bell Laboratories from {{cite journal| journal=Bell Laboratories Record|volume=11| issue=12| year=1933| title=Harold DeForest Arnold|pages=351–360|doi=10.1063/1.1749162|bibcode=1933RScI....4..421.|url=https://worldradiohistory.com/Archive-Bell-Laboratories-Record/30s/Bell-Laboratories-Record-1933-08.pdf}} with UploadWizard

The following page uses this file:

Global file usage

The following other wikis use this file: