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 297
| In. diameter. FOR BOILER 1-2 IN. THICK When longltl seams are Double Riveted. … Rivets 1 in. diameter. FOR BOILER 1-4 IN. THICK When lon^tl seams are Triple Riveted.