Handy notes and queries. A manual of useful information, of especial importance to dealers in hardware, stoves and tinware, machinists', gas-fitters' and plumbers' materials, as well as the various workers in useful metals .. (1888)
Hopkins, Henry, [from old catalog] comp · New York, H. Hopkins & co. · leaf 71
Office and Salesrooms,107 DUANE STREET AND 16 THOMAS STREET, NEW YORK CITY. … HOPKINS HANDY NOTES AND QUERIES. PROPORTIONS FOR UNITED STATES STANDARD SCREW THREADS AND NUTS. From Hoopes & Townsend. Diana. Thrads Diametr of per at root of Short Long Long Thick- Screw. inch. Thread. Diametr Diametr Diametr ness. i 4 20 .185 t 2.1.64 710 i 4 to 18 .240 32 11 1 6 1 o if 16 3…
Metal-work · Hardware
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
