Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 756
ion, and there is nocost for maintenance. The mail box re-quires only one-third the space of the oldstyle device, but accommodates twice thevolume of mail, and is inaccessible with-out a key. Our illustrations demonstratethe ease by which mail is received andextricated from the box; they also… … sectional view of the mail box 6AMEWEL1 AirXILIAEY FIRE ALARM COMPANY 686 AUXILIARY FIRE ALARM SYSTEM
Building materials
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