Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge, University press · leaf 208
ingsof all the stations from this reference mark give eventually theangles that should have been observed directly. For simplicitywe shall assume in what follows that the whole round of anglescan be observed in the manner first described. To obtain the necessary control and to detect blunders,…
Maps · Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
