Every man his own civil engineering and surveyor; a manual in two parts .. (1895)
Casterline, Smith. [from old catalog] · [Hartford City, Ind., E. S. Huffman, printer] · leaf 47
hall will be just a loose fit. This tormsthe lower halt oi tlu socket. To the lowerLdij^e of this sock<.t is to be attached three legssimilar to those for tripod No 1. Matteiithree places equally distant apart just *.noughto receive the hinges. The U])])er end of the (38) legs will have to be… … Fi^. 2 veprespwfs ot}e-li(ilf of Fig. 1.a, s])iiidJe; h, flange; c, bnJJ; (J, loop; e, it])])rrsocket; f, lower soeket. and turn or rout out a place in the center thatwill take in the 3^2 inch ball, one-half itsdiameter. The hole through the upper sidewill be nearly 2>2 inches. This will form…
Surveying
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