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 41
Fig. 25.—Repeating Circle. Fig. 26.—Prismatic Sextant. by Pestor and Martins, of Berlin, as shown in Fig. 26.Others, without knowing of this invention, have suggestedthe same thing, and only quite recently it was proposed tome by a man, who considered it an entirely new idea. I have, dealt at…
Cartography · Surveying
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