. Canadian forest industries July-December 1912. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. THE WOODWORKER Plan of An Economical Planing Mill An economical and practical planing mill plan is given in the accompanying illustration by S. P. in the W ood-worker. The main lineshaft is below the tloor, placed in a tunnel 12 ft. square. All of the machines are run with belt-tighteners except the two rip saws, A and B, and the out-off, C. Each is run by direct motor. The lineshafts, 1) and E,/are run by two motors. The line- shaft F is overhea
. Canadian forest industries July-December 1912. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. THE WOODWORKER Plan of An Economical Planing Mill An economical and practical planing mill plan is given in the accompanying illustration by S. P. in the W ood-worker. The main lineshaft is below the tloor, placed in a tunnel 12 ft. square. All of the machines are run with belt-tighteners except the two rip saws, A and B, and the out-off, C. Each is run by direct motor. The lineshafts, 1) and E,/are run by two motors. The line- shaft F is overhead and'run by a half-tw ist belt from lineshaft 1).. Shaft F runs a swing cut-off and a railroad cut-off, also the grinding room. Two 60-in. fans take care of the shavings; they are driven by a direct-connected motor. The shop is well lighted, both with windows, skylights and swinging doors. The floor is of concrete, making- an ideal machine bed, on which trucks are easily managed. Discrimination in the Buying* of Stock By J. Mason in Wood-Craft Discrimination or careful selection in the purchase of stock for manufacturing purposes does not mean that a man should buy the highest grade of stock on the market or anything of that kind. It is imperative that we understand this distinction at the present time because there is being offered to and urged upon the furniture manu- facturers and other users of hardwood in various forms low-grade stock in hardwoods. It does not follow that because a furniture manufacturer, for example, buys and works up low-grade stock that he will produce an inferior article of furniture or even have inferior wood. Grade of Hardwoods Tlie main distinction between low-grade and high-grade stock in hardwood is that mingled in with the good material in the low-grade stock is a lot of defects that must be trimmed out in working to make it clear. When these are trimmed out and clear stock is secured this clear stock is just the same as stock from a board that
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforests, bookyear1912
