Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 91
ching flanges the beam is always kept in a vertical /position by means of the second slide. All parts of the mechan-ism are placed outside the frame. WERNERS PATENT PUNCHING MACHINESFOR HAND POWER. Nos. W3, W4, Wsa and W5 for Punching Webs aswell as Flanges of Beams, Channels, etc. TYPE NOS. Wl W2… … WEKNLKS PUKIAIJLL BEA.M PUNCH ContinufJ on Next Pa-ge BUILDERS AUXILIARIES 21 HENRY PELS & CO. WERNERSPATENTPORTABLEBEAM SHEARSFOR HANDPOWER. PELS PUNCHES. The tool for outsidechannels, angles, etc., in able for Beam Yards, etc.,with structural contracts,die same. They can bestructural material…
Building materials
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