trenchscopen.
/ˈtrɛn(t)ʃskəʊp/, U.S. /ˈtrɛn(t)ʃˌskoʊp/ Now historical.
= trench periscope n. at trench n. Compounds 2. Cf. slightly earlier trenchoscope n.
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society > armed hostility > military equipment > [noun] > trench-periscope
periscope1899
trenchoscope1915
trench periscope1915
trenchscope1915
the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > periscope (at sea) > periscope (on land)
periscope1899
hyposcope1902
trenchoscope1915
trench periscope1915
trenchscope1915
1915 R. G. Garvin Let. 4 July in J. L. Garvin We hope to get Word Tomorrow 30 Could Mummy get hold of bags for my trenchscope like McClinton's? And are the trenchscopes on the market?
1918 E. S. Farrow Dict. Mil. Terms 629 Trenchscope, a simple periscope, used in the trenches (permitting a safe view to the front), consisting of parallel mirrors in a long wooden box, both set 45° to the long axis of the box.
2009 News Shopper (Nexis) 19 Nov. A magic lantern microscope with original slides & a 1st World War periscope (known as a trench scope), plus a quantity of old lace.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).
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n.1915