US Navy of 1915 - Heliograph Sequence (HD) - From Library of Congress

I paid for the high-resolution (1080p) digitization of "US Navy of 1915" by the Library of Congress, so I could share this 30 second segment of US Marines practicing with this American two-tripod, square-mirror heliograph (developed by the US Signal Corps) onboard in 1915. For modern photos of a USMC heliograph, see: https://www.flickr.com/photos/signalmirror/sets/72157638219990414/ For a history of this type of heliograph, see: https://www.flickr.com/photos/signalmirror/sets/72157631040759962/comments/ For more modern and period heliograph photos, see : https://www.flickr.com/photos/signalmirror/sets/ For the operator's manual for this type of heliograph, see: http://www.gutenberg.org/ebooks/43515 You may see a USMC heliograph in person at either: (a) The National Museum of the Marine Corps in Triangle, VA ( www.usmcmuseum.org ) (b) The Pennsylvania Military Museum in Boalsburg, PA (www.pamilmuseum.org) The full 11 minute segment from which this is taken, and the background, can be seen online (in lower resolution) at the National Film Preservation Foundation online here: http://www.filmpreservation.org/preserved-films/screening-room/u-s-navy-documentary-1915 [UPDATE: The 11 minute segment (in 720p video, a bit lower resolution than this 1080p excerpt) was put on YouTube here: https://youtu.be/57IWccCiCzU on Feb. 2, 2015 ) The credits on the full segment read: "This print was created through Film Connection: Australia-America, a collaberation among the National Film and Sound Archive of Australia, which generously lent the original nitrate source material; the American archival community; and the National Film Preservation Foundation, which funded the preservation work." As a work published in the US prior to 1923, I believe to be in the public domain, and I make no copyright claims to it. (However, what use the law allows you to put it to is your responsibility.)

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2014/05/25 rafowell   Share on Facebook

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