 Large branches in motion ; whistling heard in telegraph wires ; umbrellas used with difficulty 25-31 7 High wind Whole trees in motion; inconvenience felt in walking against wind 32-38 ( 8 Gale Breaks twigs off trees ; generally impedes progress...  Climatic and Environmental Criteria for Aircraft Design - Página 34por United States. Munitions Board. Aircraft Committee. Subcommittee on Air Force-Navy-Civil Aircraft Design Criteria - 1952 - 65 páginasVisualização integral - Acerca deste livro
 | United States. Forest Service. California Region - 1937 - 408 páginas
...Large branches in motion ; whistling heard in telegraph wires ; umbrellas used with difficulty 25-31 7 High wind Whole trees in motion; inconvenience felt...Breaks twigs off trees ; generally impedes progress 39-46 9 Strong gale Slight structural damage occurs (chimney pots and slate removed) 47-54 10 Whole... | |
 | United States. War Department - 64 páginas
...branches in motion, whistling heard in telegraph wires, umbrellas used with difficulty. 25-31 trong. 7 High wind Whole trees in motion, inconvenience felt in walking against wind. 32-38 . TM 3-240 3-5 CHEMICAL WARFARE SERVICE TABLE I. — Beaufort 12-point wind scale — Continued 4.... | |
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