Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge, University press · leaf 114
I. Aneroid Barometer. … 2. Boiling Point Apparatus or Hypsometer. Determinaiion of Heights. ROUTE TRAVERSING 75 It is not safe to assume that the sea level pressure is thesame at two places fifty miles apart. Therefore if one wishesto disentangle the weather changes from the altitude changes,it is almost necessary to have…
Maps · Surveying
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