n as No. 3. The frames are all made entirely ofwronght-iron. The rail is a wrought-iron bar, twoinches wide and one-quarter of an inchthick, dressed semi-cylindrically, orround on the upper edge, to fit the sheave,and drilled for screws, to fasten it on ahorizontal piece of timber, which is… … * Manufacturer and Dealer in Hardware, No. 1009 Market, street, Philadelphia.
Architecture
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