Technical World Magazine, Volume 12Technical World Company, 1909 |
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Page 4
Cfrom TECHNICAL WORLD MAGAZINE EXPERIMENTAL BALLOON . SECTIONAL BALLOON RECENTLY BUILT IN GERMANY . It is claimed. TYPICAL BOX KITE . These kites are much used for test- ing air currents . Scientists have long been testing and charting ...
Cfrom TECHNICAL WORLD MAGAZINE EXPERIMENTAL BALLOON . SECTIONAL BALLOON RECENTLY BUILT IN GERMANY . It is claimed. TYPICAL BOX KITE . These kites are much used for test- ing air currents . Scientists have long been testing and charting ...
Page 8
UNUSUAL FLIGHT OF BIG BALLOONS . Seventeen balloons starting at once from gas works near Berlin , Germany . LAUNCHING A ... balloon was as accu- rately charted . One other balloon only in the great race was thus equipped and managed , L ...
UNUSUAL FLIGHT OF BIG BALLOONS . Seventeen balloons starting at once from gas works near Berlin , Germany . LAUNCHING A ... balloon was as accu- rately charted . One other balloon only in the great race was thus equipped and managed , L ...
Page 10
... balloon , but heat by chemical means is easy enough to pro- vide . " For instance , the slaking of lime gives out ... balloon . A manometer records the air pres- sure and the move- ment of its needle is about the only noti- fication ...
... balloon , but heat by chemical means is easy enough to pro- vide . " For instance , the slaking of lime gives out ... balloon . A manometer records the air pres- sure and the move- ment of its needle is about the only noti- fication ...
Contents
MAGAZINE | 586 |
The Rule of the Roustabout | 591 |
In the Stranger Peoples | 605 |
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