Heliograph Sun light communication device used between Settlements 1930-40s

Heliograph Sun light communication device used between Jewish Settlements (positioned on water towers) 1930-40s Israel Defense Forces History Museum Tel Aviv http://ilmuseums.com/museum_eng.asp?id=165 http://en.wikipedia.org/wiki/Heliograph http://www.nzhistory.net.nz/media/photo/ottoman-heliograph Ottoman Army signallers use a heliograph (far left) to relay messages to troops in advanced positions at Huj in Palestine. The heliograph was a wireless solar telegraph instrument that relayed Morse code using flashes of sunlight reflected by a mirror. The flashes were produced by pivoting the mirror or interrupting the beam of sunlight with a shutter. Heliographs were used by both British and Ottoman forces during the Sinai and Palestine campaigns, where they were effective over distances of more than 50 km. Just to the right of the heliograph in the image is another signalling instrument, probably a blinkgerat. These were powered by acetylene gas and therefore could be used when there was no sun. https://www.flickr.com/photos/ottoman_palestine_1/3609506315/in/gallery-signalmirror-72157630062167007/ http://trove.nla.gov.au/ndp/del/article/2653784 Wednesday 28 November 1945 Canbara Times from Jerusalem, reported the followinf: heliograph - Show corrections JEWS RESIST BRITISH TROOPS ON SMUGGLING SEARCH JERUSALEM, Tuesday. A very tense situation developed outside the Shef- haim settlement but after two hours of stubborn hand-to hand fighting the British troops overcame the resistance and erected barbed-wire enclosures in which all male, inhabitants were herded for identification. The troops were forced to use, bayonets, batons and tear-gas to gain an entry into Shefhaim. Similar obstructions were experi- enced at Givath Haim and Rashpun but subsequently the leaders Inform- ed the British that no further resistance would be offered. . In yesterday's clashes six Jewish civilians were killed and more than 80 injured. British police and troops carried out their search of five settlements for illegal immigrants and took about 40 persons for further interrogation and establishment of their identity passes. A British communique revealed that 175-lbs. of ammonal (high ex- plosive). 20 sticks of gelignite and military uniforms wore found in Rashpun. The Bellinson hospital was crowded last night with injured from bayonet charges. Hundreds of Jews from nearby villages streamed to the scene and assembled on a hillock overlooking Shefaim. Paratroopers armed with rifles,. machine-guns and tommy-guns prevented crowds from approaching the settlement. Jewish heliographs flashed signals from group to group across the fertile plains of Aaron while knots of interested Arabs watched developments from nearby vantage points. Troops searching for arms used mine detectors. They found explosives in a blood-stained haversack at Rashpun. Tension is reported to have sub- sided in the Palestine coastal areas with the lifting of the cordon around settlements in the Givath Haim area The Jewish National Council to-day ordered a 30-minute stoppage of work throughout Jewish sectors in Palestine as a token of mourning and respect to those who died for the rights of the Jews to bring their brethren to Palestine and to defend their rights." See the Memorial for those Jewish settlers killed during the British siege on Kibbutz Givat Haim and Kibbuts Shfaim Israel, on Monday Nov. 26 1945. http://www.youtube.com/watch?v=KIivYcaNfwM A Map of Heliographs sitesused in Arizona during the Indian War https://www.youtube.com/watch?v=pTzvyRBYW8o TilTul http://tiltul.com LinksYouWantToRemember CIMG7166 Heliograph Sun light communication device used between Settlements 1920 30s

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2014/04/06 TilTuli   Share on Facebook

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