e a level. For conveniently suspending the indicators balloon reached a height of 31,496 feet, or nearly six in practice, each indicator has at its upper end a ring miles. The balloon was equipped with various instru- engaged by a suspensory device resembling calipers uaents for naking… … MAURER'S PRINTING PRESS. river Tiber. These included the better regulation of at an altitude of 6,750 meters, the tem- the course of the river, a widening of the channel and perature at this height being 29 de- a raising of both banks. The result was that at one in position on the bed by set screws…
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