Hydrographical surveying : a description of means and methods employed in constructing marine charts (1920)
Wharton, W. J. L. (William James Lloyd), 1843-1905, Field, Arthur Mostyn, 1855- · London : J. Murray · leaf 197
, if these hills can ^^®**be fixed by bearings (true or compass) from them, the anglestaken to the hills, at a position now and then, may possiblybe used as fixes, which may be plotted by station pointer,and so get intermediate positions independent of the patentlog positions, which are so liable… … CHAP. VI.] RUNNING SURVEY 177 Having plotted the positions where astronomical observa- Repiot-tions have been taken, if the intermediate stations are to be smLringput in by bearing and distance, they must be squared in so as in-to agree in total distance and bearing with the astronomicalpositions.…
Hydrographic surveying · Nautical charts
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