Appletons' cyclopædia of technical drawing : embracing the principles of construction as applied to practical design ... (1896)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton · leaf 485
FIG. 1112. SCALE : J * = 1 foot.FIG. 1113. In the large Washington sewer the man-hole is constructed on the side ofthe sewer; in the Brooklyn one the aperture of the man-hole comes within theexterior wall. In most sewers it is directly over them. Figs. 1112 and 1113 are section andplan of the…
Mechanical drawing
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