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Location DB > United States > Massachusetts > Lawrence > 495 Factory > P Ly's Journies > PICT0026.jpg

17 / 28   PICT0026.jpg

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Heavy duty doors...
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Comments
Posted by nobody 11/9/2005 10:49 PM | remove
  That is unreal! N.
Posted by DopeNess Monster 11/19/2005 1:04 PM | remove
  That's a fire door. Notice the track's on a slant. In case of a fire, a rope burns through, dropping a counterweight and closing the door.
Posted by trojansxc91 3/30/2006 11:59 PM | remove
  thats high-tech. actually pretty clever for back then i guess
Posted by prometheus 7/19/2006 5:09 PM | remove
  invented by davinci?
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