File:Researches in radio telephony (IA researchesinradi00petz).pdf

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Original file (914 × 1,200 pixels, file size: 2.64 MB, MIME type: application/pdf, 102 pages)

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Researches in radio telephony   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Author
Petzing, Erwin Walter
Title
Researches in radio telephony
Description
Thesis (B.S.)--Armour Institute of Technology, 1919
Bibliography: leaf 25
B.S. in Electrical Engineering, 1919

Subjects:
Language English
Publication date 1919
publication_date QS:P577,+1919-00-00T00:00:00Z/9
Current location
PaulVGalvinLibIIT; carli_lib; americana
Accession number
researchesinradi00petz
Authority file  OCLC: 1052511096
Source
Internet Archive identifier: researchesinradi00petz
https://archive.org/download/researchesinradi00petz/researchesinradi00petz.pdf

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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.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Researches_in_radio_telephony_(IA_researchesinradi00petz).pdf

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