Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 217
e first floor of any building, the system of mailingletters by means of a specially constructed chute connected withthe mail box at the bottom, should be adopted, and location andpreparation made for it during the construction. This system,which is patented, must be installed subject to the… … Fig. 193. Sin of Store Sash. 171 162 BUILDING SUPERINTENDENCE
Architecture · Building
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