warforcubanindependence
35 photos tagged warforcubanindependence, from 1 member of Flickr Commons.
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- florida
- spanishamericanwar
- 1898
- statelibraryandarchivesofflorida
- 1890s
- uniforms
- tents
- roughriders
- tampa
- gilsonwillets
- guns
- ships
- tampaflorida
- military
- jacksonville
- theodoreroosevelt
- 1stcavalry
- nebraska
- barbers
- unitedstatesarmy
- ensmingerbrothersphotography
- stereographs
- signalcorps
- training
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Photos tagged warforcubanindependence:
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The last upload was April 2009.
3rd Nebraska Volunteers marching on the beach: Pablo Beach, Florida from Florida Memory uploaded April 2009
Fever wards at the division hospital: Jacksonville, Florida from Florida Memory uploaded April 2009
Mascot of the "Rough Riders" from Florida Memory uploaded April 2009
Alligator shot by the captain of 4th Illinois Volunteers: Jacksonville, Florida from Florida Memory uploaded April 2009
Company B of the 21st Infantry on a dusty march during the Spanish-American war from Florida Memory uploaded April 2009
9th Infantry breaking camp to embark for the Spanish-American war from Florida Memory uploaded April 2009
9th United States Cavalry training horses for Spanish-American war from Florida Memory uploaded April 2009
Camp barber at work during the Spanish-American war from Florida Memory uploaded April 2009
Clara Barton and Red Cross colleagues having a picnic: Tampa, Florida from Florida Memory uploaded April 2009
Loading horses onto railroad cars at Port Tampa during the Spanish-American war from Florida Memory uploaded April 2009
Soldiers of the 2nd Regiment of Louisiana Volunteers at train depot: Cocoa, Florida from Florida Memory uploaded April 2009
Signal Corps telegraph and telephone office: Jacksonville, Florida from Florida Memory uploaded April 2009
9th U.S. Cavalry embarking for Cuba: Port Tampa, Florida from Florida Memory uploaded April 2009
Spanish-American war camp scene: Tampa, Florida from Florida Memory uploaded April 2009
Conversations
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Army signal corps soldiers during the Spanish-American war
from Florida Memory
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signal mirror said:
Heliograph: The two tripods held by the two soldiers at right comprise a US Army Signal Corps heliograph - a tripod-mounted device for sending messages by flashes of sunlight using Morse or Myer code, with a range up 30 miles or so. This heliograph is set up in duplex, or "dual-mirror" mode, the mode used when the sun was behind the signalers. The job of the dark-suited soldier at the extreme right was to keep the sun beam reflected by the dual 4.5 inch square mirrors on his tripod in constant alignment on the target as the sun moved, using vernier elevation and azimuth screws. The job of the light-suited soldier in the middle was to open and close the shutter flap on his tripod to produce the dots and dashes of the code. A diagram showing this heliograph (albeit in single-mirror mode), taken from [1], is here (click on the thumbnail to magnify), and see [1] for the dual-mirror mode diagram.
An 1893 photograph of this type of heliograph (albeit in single-mirror mode), taken from [2], is here (click on the thumbnail to magnify)
To learn more about heliographs, you can read [1] and [2], as well as this Wikipedia article:
en.wikipedia.org/wiki/Heliograph
You can also see this Flickr gallery (click on the thumbnail):
[http://www.flickr.com/photos/signalmirror/galleries/72157630246445306/]
and this set (click on the thumbnail) : (Historical Photographs of American Heliographs)
[http://www.flickr.com/photos/signalmirror/sets/72157631040759962/]
[ 1 ] Annual Report of the Chief Signal Officer of the Army to the
Secretary of War for the Year 1888, Government Printing Office, 1889
The new standard heliograph is discussed in Appendix I, pp. 42-47,
and depicted on page 46, here:
books.google.com/books?id=E2nPAAAAMAAJ&pg=PA46&dq...
[2] "The Heliograph", The Compass, Vol. II, No. 11, June 1, 1893, page 161
books.google.com/books?id=tX0SAAAAYAAJ&pg=PA161 -
Florida Memory said:
signal mirror Thanks for the great information!
2nd Virginia Volunteers playing with a rattlesnake: Pablo Beach, Florida
from Florida Memory
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gatorfriendly said:
Playing with a DEAD rattlesnake! Rattlesnakes have x number of rattles and a "button" - never heard of one with 11 buttons.