Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 484
Fig. 1104. … Fig. 1105. 468 ENGINEERING DRAWING. laid and the desirability of uniformity or security of construction, but thejoints are laid full in cement with a re-enforce outside and wiped clean on theinside. Up to 15 the pipes are usually bell and spigot, larger they are laidwith collars. The egg-shaped…
Mechanical drawing
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