Chicago : Engineering and Contracting Pub. Co. · leaf 211
ght joint. Thevalve was then opened and the cutter passedthrough it and rested on the pipe in the properposition for cutting. A long shaft rod of 2-in. iron pipe was connected to the spindle ofthe cutting machine and extended up to thesurface of the ground. Bv means of this themachine was operated… … Fig. 2.—View of Connection With Valve andCutting Machine Assembled. up the shaft and connect to the proposed mainin the street above. After this main was con nected the diver descended to turn on tin-valve, and made a careful examination of alljoints and Found them tight.The work required about…
Buildings
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