Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 577
Fig. 1340. Fig.1341. enough to set. If the timber is green, the contact of the mortar is apt to pro-duce dry rot. Deafening may be secured to great extent by double floors, with two or threethicknesses of carpet paper or sheathing quilt between. When small vermin,like cockroaches, can pass,…
Mechanical drawing
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