The conquest of the air; the romance of aerial navigation (1902)
Alexander, John · New York, A. Wessels company · leaf 111
t has been made in the constructionof scientific instruments. For nearly half a century the scientific study ofthe upper atmosphere was practically neglected, andthe next ascents of any great importance were under-taken by Barval and Bixio in 1850, when they reachedthe same height as… … u o THE USE OF THE ANEROID. IO9 Doubt has been cast recently on some of Glaishersobservations, and the capacity of his instrumentshas been questioned. He himself has recorded thatthe first aneroid barometer which I had made forthese observations read correctly at thirty inches,andoi inch too high…
Aeronautics
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