. Canadian forest industries July-December 1919. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. New Double Powered Log Jack The accompanying illustration gives a correct idea of our new Double Power Log Jack, designed for hauling heavy timber into Saw Mills. GEAR.—The large Gear Wheel is 36 in. in diameter, with 72 teeth, 4 in. face, and 1% in. pitch. PINION on intermediate Shaft has 13 teeth, 4 in. face and in. pitch. PAPER FRICTION is 10 in. in diameter and 10 in. face. Iron Friction Pulley is 30 in. in diameter and 10 in. face. CHAIN is made of
. Canadian forest industries July-December 1919. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. New Double Powered Log Jack The accompanying illustration gives a correct idea of our new Double Power Log Jack, designed for hauling heavy timber into Saw Mills. GEAR.—The large Gear Wheel is 36 in. in diameter, with 72 teeth, 4 in. face, and 1% in. pitch. PINION on intermediate Shaft has 13 teeth, 4 in. face and in. pitch. PAPER FRICTION is 10 in. in diameter and 10 in. face. Iron Friction Pulley is 30 in. in diameter and 10 in. face. CHAIN is made of extra heavy steel, and the bunks have steel spikes, the whole outfit being calculated for heavy logs. The G. Walter Green Company, Limited PETERBOROUGH, ONT. Send for Catalogue Algoma LIGHT STEEL RAILS ^ JL M \^ AAA %A For Mining and Lumbering Purposes All Complete with Splice Bars WEIGHT POU NDS PER Yard 12 16 20 25 30 35 40 45 Kilos PER Meter 3 97 SJS 19 .«4 Imches 1% 2 2H 2% 2Ji 3^ 3'k6 M/M 39. C9 Inches 2 2% 2% 2H 3J4 3^6 M/M. Inches 'Hi 1 IH I'Jli IK 2 M/M. Inches '16 % 'A m 1% M M. Inches 1% 1'56 I'Xi 1% m M/M. Inches M/M. Inches M/M. c •6- 13' Algoma Steel Corporation. Limited Sault Ste. Marie, Ontario. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Don Mills, Ont. : Southam Business Publications
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
