Maps and map-making; three lectures delivered under the auspices of the Royal geographical society (1910)
Reeves, Edward Ayearst, 1862-1945, Royal Geographical Society (Great Britain) · London, The Royal geographical society · leaf 55
Fig. 42.—Chinese Compass.{From R.G.S. Collection.) 36 MAPS AND MAP-MAKING … Fig. 43.—15th Century Compass. (From Laussedets Jtecherches sur les Instruments, etc.) over long voyages away from land. Probably that mysterious question of variation of the com-pass clicl not worry the early navi-gators of the Mediterranean, andthere it would at any rate in thosedays not have…
Cartography · Surveying
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