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 118
.$3.00 WRITE FOR DISCOUNTS. SCULLY STEEL & IRON CO. 113 BALL-BEARING CASTERS. … IN STOCK. To be fastened to table in front of punch or other machinery.Better than overhead jib crane — Saves time — Try them. Thelarge steel ball runs on fifty or more small balls in pressed steel cup.The balls are of hardened tool steel, accurately ground and will standany amount ofrough usage.…