& pepe et g zt bbe qaeenne [ Aten al saraacne E 3 CAaah aro ag 4 amin * ds 4h . ¢ Fee ee ee ee oo ~ —_—4 ab wee 1. i. t 1 + ee tot det perenne tee —t 4. shakey hk, = eet _ bob 1. ht + 4-4 va — a el he Ls Ate _ Somat amma * 56,000 anpulear diarms, Pe § be aoe etas ee bee tae sagt bee Hotes The engle 23.5°, found by interpolation on the graph of elevstion ancles, end the altitiuie 56,000 feet were used to delernine the distences given ehows by means of the tri- Onda tan cne 10,000 feet ag in the sane Of the other levala, . a Tee vertiesl distances le 2,000 feet inatend of a 3,2 Onno ee OR ero (20,2) oi Vor the 55,000 foot Level she diffureses in times for 56,000 asd $4,000 foot levels were used. required to reach the altitade 5,000 feet below, the tind required to reach the altitude §,000 feet above the altitude is question end the tla Except for the 55,000 foot level, the above tines wore obtained by takiag the difference between + ~= ,00987 equsle Minutes per Hour divided ty Peet per Moutiosl Mile. SSAERRESAREAG a : g § q ' g3 AARARS i Sb bree 2 47 4 Ly >Litt + set ie 2st ++ Ft 40 ; | j t 8883888 BARISARS meee eee a st + ter. bby t oe et ee }! ne tee oe thew fe ,t Pe daft oT ete MATE OF ELSE DB MioTS Vortiosl fertical elo: / tise feet} /\iinetes) = ‘OOM = lisse) 1.3 Be mene fore ane a deme ' 2,009 i idsaeoee i © pid oj aa ra : 4 it Pa an += ++ yi 4. 4 4 ‘ tt = 1 ad T + + ap t perp q + J ttt tL —L A