File:Popular electricity magazine in plain English (1913) (14761785571).jpg

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Identifier: popularelectric619131chic (find matches)
Title: Popular electricity magazine in plain English
Year: 1912 (1910s)
Authors:
Subjects: Electricity
Publisher: Chicago, Ill. : Popular Electricity Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
ing method of giving time signals by elec-tric Hashes. By a relay conned oildirectly with the great observatorjclock, momentary interruptions are madeevery two seconds in a hank of electriclights, with a pause at the end oi eachminute and a longer interval at the endof each fixe minutes, during which timethe lights bum Steadily. In other words,the time signals formerly given by heat-are repeated b) electric lights. TheHashes are visible for a distance oi tenmiles, or li\e limes ,^ far as the time callcould be seen b\ the naked eye. 266 POPULAR ELECTRICITY MAGAZINE
Text Appearing After Image:
Copyright by Wt FAST PLANT ON THE GREAT LAKES TRANSFERRING IRON ORE Ore Unloaders on the Great Lakes It is significant of the tendencies ofthe times that electricity is rapidly super-seding all other forms of motive powerfor the operation of the remarkable ma-chines which mechanically unload thegreat freight steamers employed for thetransportation of iron ore on the GreatLakes. There are three standard typesof ore unloading apparatus. The firstis the bridge tramway type of hoist-ing and conveying apparatus. The sec-ond is an improvement on this known,as the fast plant or direct unloader.The third is the automatic unloader. Allthree make use of clam-shell or grabbuckets which scoop up the ore mechan-ically and these machines are so arrangedthat the ore lifted in buckets from thehold of the ship may be conveyed at willand dumped automatically either on astock pile, in a storage bin, or on thecars which are waiting on railroad tracksbeneath the ore unloaders and which con-vey this raw ma

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https://www.flickr.com/photos/internetarchivebookimages/14761785571/

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Volume
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1913
Flickr tags
InfoField
  • bookid:popularelectric619131chic
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • booksubject:Electricity
  • bookpublisher:Chicago__Ill____Popular_Electricity_Pub__Co_
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:277
  • bookcollection:smithsonian
Flickr posted date
InfoField
28 July 2014

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current06:41, 15 September 2015Thumbnail for version as of 06:41, 15 September 20151,820 × 1,104 (497 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': popularelectric619131chic ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fpopularelect...

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