A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 141
eadof these, the words right and left may be used, or the simpleinitials E. and L. Whichever of the means is used, thesign should be on the left hand of the column if the turn isto the left, and vice versa. Sta. B 947 742 _3££-— ri27 F. S. Sta. A K 15° E. The following notes will illustrate all… … ^ Brook. (1395) in AD *--^^ 1440 770 - 425 ^•**Ci ^■^ ( 950) In BC sout Sta.B 1760 ,Bi s^~ 515 ^ -\ Sta.D Brook.
Surveying
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