Chicago : Engineering and Contracting Pub. Co. · leaf 48
r of acoffer dam or caisson. The device, says theContract Record, was used by Palmer Broth-ers & Henning of Vancouver, B. C, on con-struction of the substructure of the CambieSt. bridge at Vancouver. The hydraulic elevator is operated on thesame principle as a steam syphon, water be-ing used at… … Elevation of Elevator Fig. 1.—Hydraulic Elevator and Jet Usedfor Excavating and Discharging Ma-terial from Caissons of VancouverBridge. forced. The down pipe is 4 in. in diam-eter and the up pipe 5 ins. Near the lowerend of the up pipe is a Y-branch leading tothe material to be excavated. The…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
