File:Lee de Forest 2012 002 6580 sx61dn13g crop.tiff

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Lee de Forest at Beckman Instruments in Munich, Germany   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
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Unknown authorUnknown author
Title
Lee de Forest at Beckman Instruments in Munich, Germany
Description

Lee de Forest at Beckman Instruments in Munich, Germany

Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film.

Arnold O. Beckman fêted Lee de Forest at the new Munich facility of Beckman Instruments.

Published without a copyright notice in the Beckman Division Feedback newsletter, No. 5, May 1955 (BHC box 10, folder 1). Digitized for the Beckman Legacy Project.
Depicted people Lee de Forest
Date 1955
date QS:P571,+1955-00-00T00:00:00Z/9
institution QS:P195,Q5090408
Accession number
Beckman Historical Collection
Credit line Science History Institute.
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Source https://digital.sciencehistory.org/works/xk81jm308
Permission
(Reusing this file)
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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Date/TimeThumbnailDimensionsUserComment
current01:41, 6 August 2019Thumbnail for version as of 01:41, 6 August 20191,411 × 1,123 (6.05 MB)Mary Mark Ockerbloom== {{int:filedesc}} == {{Photograph |author = {{unknown}} |title = Lee de Forest at Beckman Instruments in Munich, Germany |description = Lee de Forest at Beckman Instruments in Munich, Germany Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film. Arnold O. Beckman fêted Lee de Forest at the new Munich facility of...
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