ing of the hars, m port the middle of the bridge, T. To com- new portable staging ready for use, for which and m’, is braced by the braces, 2 n. There ened to the bare, ff, and similar cleats are plete this bridge boards or planks, P, mey a patent was granted to Wm. P. Gooilman are some posts, o 0,… … the floor of the platform to rest upon, which workmen to walk on. In using this staging floor is properly fastened to said frame.— portable, easily elevated and lowered, and the workmen on the platform, G, can raise W’, so as to traverse the platforms and con- There are feur rollers, N N, at each…
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