OCR Text |
Show WIND GUIDE FOR AERONAUTS Furnishes Aid Corresponding to Pilot Charts of Ocean Navigator-Record Navigator-Record of Years. i A unlquo Blgn of tho times Is Dr Richard Assmann's guide to the windi of Germany, prepared from tho rcc ords of the direction and forco of tin winds kept at forty-ulno wcll-rflstrlbu ted stations for an avorago of nearlj twenty-ono years. It furnishes the aeronaut with an aid corresponding tc tho pilot charts of tho ocean nnvlga tor. For each season nnd each Bta tlon It sIiowb how often, on tho aver ago, tho wind blowB from ench of elghl directions, and tho nverngo frequoncj of tho various degrees of wind bo tween a calm and a hurricane. It In dlcatos tho best places and times foi making ascents, with tho direction airships air-ships without high power will prob ably drift. Mora than this, It suggest tho best location for nlrshlp sheds and ports, and gives evldenco that not only aro places near tho coast unsult nblo, but that many inland stations aro uncomfortably Btormy. Frlcdrlchs hafen, chosen by Count Zeppelin for hlB great sheds, Is an unfavorable placo for handling tho huge airships Tho records show thnt it has an avorago avor-ago of twenty-four stormy days a year, while Cello has only twenty-two such days, Horlln nnd CaBsel only four, nnd soven other stations less than ten. |