Scully blue book: catalogue of iron, steel, machinery, heavy hardware, tools and supplies, with valuable and accurate reference tables (1910)
Scully Steel & Iron Co. · Scully Steel & Iron Co. · leaf 223
e. The operator has control at all times of the amount ofsand and air used. The sand nozzle, a rough grey iron casting, is theonly wearing part. There is no wear on the air nozzle, and air consump-tion is constant. All dust, as well as over-size gravel, is automaticallyremoved. Sand never clogs and… … Made in eleven sizes with cutter head from 26 inchesto 100 inches in diameter. Can be furnished plain, or mounted oft turntable. A very valuable tool for the bridge-builder and struc-tural iron worker. - HELWIG STAY-BOLT NIRPER. MADE IN TWO SIZES. Size Weight Capacity AB 210 lbs.170 lbs. IK in.\%…
