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File:Living pictures; their history, photoproduction and practical working. With a digest of British patents and annotated bibliography (1899) (14779530104).jpg

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Identifier: livingpicturesth00hopw (find matches)
Title: Living pictures; their history, photoproduction and practical working. With a digest of British patents and annotated bibliography
Year: 1899 (1890s)
Authors: Hopwood, Henry V., 1866-1919
Subjects: Motion pictures
Publisher: London Optician & Photographic Trades Review
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Fig. 181. Fig. 180. arranged for the useof spools in the ordi-nary way. A speed-regulator is also pro-vided, together witha second opticalsystem for the pro-jection of ordinaryviews. The fact thatpatents are pendingprecludes detailedreference to manyinteresting featuresof this machine. THE MICROGRAPH. This instrument, constructed by the Micrograph Co.,is shown, so far as working parts are concerned, inFig. 182. The film is led down from the spool-box 164 LIVING PICTURES. over the front surface of the main plate, through which-the periphery of the sprocket-wheel projects at thebottom in order to engage with the film. The film-trapis shown open in the illustration; as it turns back onthe film the small roller at the bottom holds the film.
Text Appearing After Image:
Fig. 182. Up to the sprockets. The sliding jacket carrying thelens is mounted on a transverse bar, which may beinstantly thrown up out of the way for film-changingThe sprocket-wheel is actuated by a star-and-pinmotion somewhat like Fig. 118, and it will be seen tobe driven by toothed gearing direct from the driving- PRESENT-DAY APPARATUS. 165 -wheel. The bar for closing the spool-case is shownthrown up; the small lever under the spool-box servesto adjust the mask. The mechanism as shown ismounted on a base-board, and behind it a slidinglantern-body may be adjusted at any desired distance.The lighting is either electric, with a very steady hand-feed lamp; acetylene, which finds considerable favourwith the makers, or an incandescent burner served fromthe ordinary house-gas supply for home use. A formof this incandescent burner using vaporised benzenewas introduced experimentally, but abandoned in favourof the other lamps mentioned above. zions mouvementographe. This apparatus has a star

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Flickr tags
InfoField
  • bookid:livingpicturesth00hopw
  • bookyear:1899
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Hopwood__Henry_V___1866_1919
  • booksubject:Motion_pictures
  • bookpublisher:London_Optician___Photographic_Trades_Review
  • bookcontributor:Robarts___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:181
  • bookcollection:robarts
  • bookcollection:toronto
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30 July 2014
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