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File:Alfred E. Bawtree 1913.jpg

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English: Mr. Alfred E. Bawtree, F.R.P.S. a bank note expert of Sutton, Surrey, England

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:
The Stables of the Tudor Castle. Here ElectricityDoes Much of the Work Formerly Entrusted to HumanHands. Reached by a Subterranean Passage from theCastle 1318 POPULAR ELECTRICITY and the WORLDS ADVANCE MONEY THAT ACTUALLY TALKS An electrically operated machine whichwill make specially designed bank notesand call out their value, and thus check-mate the forger, is the ingenious inventionof Mr. Alfred E. Bawtree, F.R.P.S.a bank note expert of Sutton,Surrey, England.
Text Appearing After Image:
By Listening at the Mouth of the Funnel the Bank Note Can be Heard Calling Out its Value Mr. Bawtree has been conducting sever-al experiments for three years. His ap-paratus is something like a small talkingmachine, through which, between twometal rollers, the bank notes are passed.Connected to the apparatus are two ear-tubes, through which the bank note, itis claimed, can be heard calling, out itsvalue. Put as simply as possible, this isthe idea and system of the invention:The sound form of two words likefive pounds or ten pounds is firstphotographed by an ingenious processonto a film. A picture of fivepounds is a jagged, zigzag line of vary-ing thickness, which is about the length,or is made to be about the length, of abank note. By a photo-mechanical process thisjagged line — which is really a littlerecord of the words spoken — is cut on azinc plate, and from this mould a steelcutting knife of the required shape anddesign is obtained. When a bank note is passed throughthe rolle

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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:1331
  • bookcollection:smithsonian
Flickr posted date
InfoField
28 July 2014


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