Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . here arranged at thetop of a small hill, and is capable of being rotated so that it canfollow the flight of the kite in any direction. Naturally enough,the experience of the four years at Tegel was very valuable, andconsequent improvements in the arrangements at Lindenbergwere therefore made. Assmann has two assistants in thescientific department, and two others who render technicalassistance. The whole of the staff, including helpers of onekind and anot
Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . here arranged at thetop of a small hill, and is capable of being rotated so that it canfollow the flight of the kite in any direction. Naturally enough,the experience of the four years at Tegel was very valuable, andconsequent improvements in the arrangements at Lindenbergwere therefore made. Assmann has two assistants in thescientific department, and two others who render technicalassistance. The whole of the staff, including helpers of onekind and another, consists of 18 persons, and together withtheir wives and families they constitute a little colony of 50persons. On October 1st, 1906, Assmann had accomplished thefeat of making ascents on 1,379 consecutive days ; but with themeans at his disposal it is impossible to make ascents both by SCIENTIFIC BALLOONING. 261 day and by night without intermission. In the neighbourhoodof Lindenberg is a small lake, called the Scharmiitzelsee, about 7miles long; and this seems likely to be useful for kite ascents n 11an a I i h ^^^mf ±tmSkmmSm. Fig. 1G3.—Curves taken by recording instruments. In the lower half the curves are marked by a pointer on a piece of paper that has been coated withsoot. These curves are shown clearly in the upper half of the illustration. It is intended to use a motor-boat for the purpose of starting theflight. The Kaiser has taken great interest in scientific balloon-ing, and was present at the inauguration of the new observatory,together with the Prince of Monaco and other well-knownmeteorologists. 262 AIESHIPS PAST AND PEE SENT. The greatest height reached by a balloon with recordinginstruments was 85,000 ft.; and this took place at Strassburgon August 3rd, 1905. The highest ascent with a kite was madefrom Lindenberg on November 25th, 1905, when an altitude of21,100 ft. was reached. The height which a balloon will reachunder these conditions depends of cour
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