Hints to travellers, scientific and general (1901)
Royal Geographical Society (Great Britain) · London, The Royal Geographical Society · leaf 129
105 PLANE TABLE SURVEYING. For further information on this subject, see a pamphlet, ‘On the Station Pointer,’ published by the Admiralty, and sold by J. D. Potter, 31, Poultry, E.C. (4.) Orienting and fixing by the Compass. — Set up the table over the station X to be fixed, represented by x on the… … Fig. 7. needle pointed to north at one of the previous stations, unclamp the table, and turn it about until the needle again points to north. Clamp the table, which will then be oriented. Stick in a pin at a. Place the fiducial edge of the ruler against it, and turn it until the sights point to A…
