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Word: trimetrogon (lookup in dictionary) (lookup stats)
Dates: during 1950-1959
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Usage:

...United States, every province in Canada, every country in Europe, and in Turkey, Arabia, Mexico, Cuba, Alaska, and the Canadian Arctic. For his actual map-making, he uses aerial photographs, large collections of which are available both in this country and abroad. He particularly likes those taken with a trimetrogon camera--really three cameras in one. They are mounted so that one camera takes a picture straight downward, while the two others take pictures obliquely left and right from horizon to horizon with a small overlap...

Author: NO WRITER ATTRIBUTED | Title: The Scholarly Mapmaker Wants 'True Portrait of Mother Earth' | 1/30/1957 | See Source »

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