File:Popular science monthly (1872) (14779776311).jpg

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English:

Identifier: popularsciencemo89newyuoft (find matches)
Title: Popular science monthly
Year: 1872 (1870s)
Authors:
Subjects: Science
Publisher: New York : D. Appleton
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

View Book Page: Book Viewer
About This Book: Catalog Entry
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erceptibly by differences inthe weight of passengers. riie apparatus can be secured to anywindow. An iron plate is securelybolted to the window-frame or fastenedto the stonework. When a fire breaksout the apparatus is swung out of thewinck)w on the iron plate. The entireweight isonlyaboul twenty- twopoiuids. To escaiie from aburning building, youfirst put on a leatherbelt and slip a safel\-ht)ok on the wire ropeof the apparatusinto a ring onthe belt. Thenyou mount thew i n d o w s i 11,swing out thecrane, and stepinto space.When you reachthe ground, youslip off the bell.A coiled spring,which has beenplaced undertension as theresult of yourdrop, winds upthe rope auto-matically and is readyfor the next passengerin line. The speed of the drop is about timeand one-half feet a second. The sjiringwinds up the rope at the rate of se\entyfeet a second. Experts are inclined to regard thenew means of escape as the mostefficacious yet employed. Besides beingswifter than the old method it is con-
Text Appearing After Image:
To escape from a burning build-ing, a belt is put on. a safety-hook is adjusted and a swiftdescent is made through space In the detail illustration the crane ofthe apparatus is shown and the brakecylinders which regulate the speed ofdescent. A coiled spring just abovethe belt rewinds the rope automatically sidered safer and the exit is apt to beless frenzied than down a stairway. 565 566 Popular Science Monthly The Electrical Scrub-Woman—Brainless but Efficient

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  • bookid:popularsciencemo89newyuoft
  • bookyear:1872
  • bookdecade:1870
  • bookcentury:1800
  • booksubject:Science
  • bookpublisher:New_York___D__Appleton
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:578
  • bookcollection:toronto
  • BHL Collection
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30 July 2014
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