Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 433
*i4X«*4LAAXAAJLAXXAX«4A4p«4k««il^4iAi^A* Fig. 1000. delicate instruments should be detached from those of the building, and alsowhere the noise and jar of the machinery might interfere with the occupancy ofthe building for other purposes. … Fig. imz. Walls on party lines and confined to these lines are often partially supportedby cantilever beams reaching over interior posts. Such a construction is shownin Figs. 1001 and 1002. It is the safer construction to lay walls in air and open to inspection, and ENGINEERING DRAWING. 417
Mechanical drawing
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