Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 417
is advisable to groove thestops. The brackets when placed in the win-dow are invisible, simple, practical, durable,neat, and easily operated. They will not stickand hang and become disarranged in the win-dow, and are superior to all other makes. Weguarantee them. The price of the brackets, without… … Fig.
Building materials
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