. Canadian machinery and metalworking (January-June 1919). For the rapid production of duplicate parts AUTOMATICALLY Sizes up to 2% diameter made onGridley Multiple Spindle Machine. For the larger sizes up to 5 diameterthe Gridley Single Spindle Auto-matic Turret Lathe. On both, duplicate parts are formed,turned, threaded — rapidly, econo-mically and accurately. Quotations on your blue prints orsamples? THE NATIONAL ACME COMPANY General Offices :CLEVELAND, OHIO. WINDSOR, VERMONT Branch Offices: New York, Boston, Chicago, Detroit, Atlanta, San FranciscoWarehouses: New York, Chicago. With Foreig


. Canadian machinery and metalworking (January-June 1919). For the rapid production of duplicate parts AUTOMATICALLY Sizes up to 2% diameter made onGridley Multiple Spindle Machine. For the larger sizes up to 5 diameterthe Gridley Single Spindle Auto-matic Turret Lathe. On both, duplicate parts are formed,turned, threaded — rapidly, econo-mically and accurately. Quotations on your blue prints orsamples? THE NATIONAL ACME COMPANY General Offices :CLEVELAND, OHIO. WINDSOR, VERMONT Branch Offices: New York, Boston, Chicago, Detroit, Atlanta, San FranciscoWarehouses: New York, Chicago. With Foreign Representatives Canadian Screw PlantMONTREAL, Makers of Gridley Single and Muliple-Spindle Automatics at Windsor, Vermont, and Acme Automatics, Threading Dies,Collapsing Taps and Screw Machine Products at Cleveland, Ohio WATER POWERDEVELOPMENT. Over forty years experience in design-ing and installing special turbines, bothon vertical and horizontal shafts. Can supply complete equipment, in-cluding flume, turbine and power trans-mission. Stock of standard vertical shaft Turbines on hand for promptshipment. We solicit your inquiries. J. C. WILSON & CO. BELLEVILLE, ONTARIO


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19