Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 486
ng an easy movement to the door.The ball-bearings are covered by a hollow spindle which allows nowater, dirt or grit to touch them, making them wear years longer.Only the best oil tempered steel springs are used. They are easy toapply to the door and give entire satisfaction where used. They canbe… … THE BOMMER BALL-BEARINGFLOOR SPRING HINGE PLANISHED STEEL POLISHED STEEL BRONZE OR BRASS METAL Distance from Centre of Spindle to Jamb c 1 Antique Cop-Japanned Bronze or per. AntiqueThickness ^ Brass, DullDead Brass Brass or Imi-of ration Rust-Black Plated 1 less BlackDoor 1 Finish Sand…
Building materials
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