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Identifier: ourcountryitsres00hopk (find matches)
Title: Our country and its resources;
Year: 1917 (1910s)
Authors: Hopkins, Albert A. (Albert Allis), 1869-1939
Subjects: United States. (from old catalog)
Publisher: New York, Munn & co., inc.
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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Text Appearing Before Image:
AEROPLANE TYPESOn the left, a flying boat; on the right, a tractor biplane
Text Appearing After Image:
CHAPTER III.WIRELESS TELEGRAPHY AND TELEPHONY By AUSTIN C. LESCARBOURA NO list of the greatest moderninventions fails to includewireless telegraphy and tele-phony. And it is perhaps equallytrue to state that no invention isregarded with as great awe by thelaity. Yet wireless communicationin its essentials is simple. There isnothing truly mysterious in wirelessor radio telegraphy and telephony. MILESTONES IN THE DEVELOPMENT OF WIRELESS The real beginning of wirelesscommunication, or rather the propa-gation of electric waves throughspace and their subsequent detectionat remote points, is largely a matterof opinion. Some authorities preferto look upon Steinheil of Munich,Germany, as having taken the firststep toward radio communication.For in 1838, Steinheil, following thesuggestion of Gauss, demonstratedthe feasibility of using the groundas the return circuit for a wire tele-graph system, which in a measureis a form of wireless telegraphy inthe embryonic state; and what ismore, the work

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https://www.flickr.com/photos/internetarchivebookimages/14596917697/

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Flickr tags
InfoField
  • bookid:ourcountryitsres00hopk
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Hopkins__Albert_A___Albert_Allis___1869_1939
  • booksubject:United_States___from_old_catalog_
  • bookpublisher:New_York__Munn___co___inc_
  • bookcontributor:The_Library_of_Congress
  • booksponsor:Sloan_Foundation
  • bookleafnumber:395
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14596917697. It was reviewed on 5 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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current16:01, 19 October 2015Thumbnail for version as of 16:01, 19 October 20152,576 × 1,752 (500 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
03:55, 5 August 2015Thumbnail for version as of 03:55, 5 August 20151,752 × 2,584 (505 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': ourcountryitsres00hopk ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fourcountryitsre...

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