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 19
h a larg-e red fig-ure in center. The tenthmarks extend one-half inch from both edgesof the staff toward the center; with a blackfig-ure between the ends of the marks. Thehundredth marks extend from the rig-lit handedg-e of the staff yi of an inch toward the cen-ter, with a dot at the end of the… … H9 9-8 -7- 6i 43 i-2i H8
Surveying
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