ats, / /, are fast- port the middle of the bridge, T. To com- new portable staging ready for use, for which ened to the bars,//, and similar cleats are and m', is braced by the braces, n n. There plete this bridge boards or planks, p, may a patent was granted to Wm. P. Goolman fastened to the bars… … the floor of the platform to rest upon, which ,ang s gised by farmers for therin fruit; it workmen to walk on. In using this staging turning either or both of the cranks, W and floor is properly fastened to said frame.— portable, easily elevated and lowered, and the workmen on the platform, G, can…
Patents · Claim · Catechu · Railroad · Aud · Steam engine · Fire works · Air chamber · Winding fulcrum · Purpose set · Horse power · York city · Claim ihe · San Francisco · Scientific American
Internet Archive · Public domain (published before 1931). Free to use for anything.
