Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 84
Page 14
... interior than in the sides of the pile . Seasoning in the bottom of the pile may be helped somewhat by more open piling in that portion - using thicker stickers or occasional thicker courses , also wider spacing be- tween boards , and ...
... interior than in the sides of the pile . Seasoning in the bottom of the pile may be helped somewhat by more open piling in that portion - using thicker stickers or occasional thicker courses , also wider spacing be- tween boards , and ...
Page 15
... interior by drying of the surface , and thus is largely FIGURE 2. - Concrete pier foundations under construction in a southern mill yard . The stringers shown support heavy crossers not yet placed , which may be shifted for desired ...
... interior by drying of the surface , and thus is largely FIGURE 2. - Concrete pier foundations under construction in a southern mill yard . The stringers shown support heavy crossers not yet placed , which may be shifted for desired ...
Page 25
... interior of the pile it dries bright , with less seasoning defect than is usually found in the outside boards . In the various air - seasoning studies there seems to have been little study of the effect of pile width upon seasoning . In ...
... interior of the pile it dries bright , with less seasoning defect than is usually found in the outside boards . In the various air - seasoning studies there seems to have been little study of the effect of pile width upon seasoning . In ...
Page 29
... dry- ing rate it should be remembered that the lumber loses its moisture by surface evaporation , and chiefly , of course , from the largest sur- faces and nearest to the interior of the piece . MANUFACTURERS ' EDITION 29.
... dry- ing rate it should be remembered that the lumber loses its moisture by surface evaporation , and chiefly , of course , from the largest sur- faces and nearest to the interior of the piece . MANUFACTURERS ' EDITION 29.
Page 30
National Committee on Wood Utilization (U.S.). faces and nearest to the interior of the piece . Obviously , this evapo- ration is accomplished by air moving horizontally between the layers of lumber rather than by the streams that move ...
National Committee on Wood Utilization (U.S.). faces and nearest to the interior of the piece . Obviously , this evapo- ration is accomplished by air moving horizontally between the layers of lumber rather than by the streams that move ...
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Other editions - View all
Common terms and phrases
air-drying air-seasoning black gum blue stain bottom brown stain Bureau California pine cents per copy chemical chestnut chimney circulation cleats Committee on Wood compartment kilns courtesy of Forest creosote crossers decay degrade develop Douglas fir dried dry-kiln Forest Products Laboratory fungi fungus grades handling heartwood heat humidity inches industry interior kiln-drying layers length load logs material method mill moisture content Nail National Committee nonutilized wood operation Photograph courtesy pieces 16 pile pipes Planer shavings Pondosa poplar practice prevent progressive kiln red gum roof sap stain sapwood sawmill seasoning shown in Figure shows side small dimension stock Sodium bicarbonate softwoods southern hardwood southern pine spacing species steam stickers storage sugar pine surface temperature tests thickness timber tion usually waste western white pine white pine width WOOD UTILIZATION y. p. Edgings y. p. Sawdust y. p. Slabs yard yellow pine zinc chloride
Popular passages
Page 8 - Board, and the Bureau of Foreign and Domestic Commerce of the Department of Commerce.
Page 1 - ... preservative must displace or compress the air in the wood. After the retort is filled, additional preservative is forced into the cylinder by means of pressure pumps, the pressure being gradually raised to and maintained at 125 to 175 Ib.
Page 40 - US DEPARTMENT OF AGRICULTURE. Forest Service. 1920. Timber depletion and the answer. A summary of the report on timber depletion and related subjects prepared in response to Senate Resolution 311. US Dept.
Page 118 - Manual of Design and Installation of the Forest Service Water-Spray Dry Kiln. By LV Teesdale. Department of Agriculture Bulletin 894, October 18. 1920. Price, 10 cents. A good manual for this type of kiln. The Theory of Drying and its Application to the New Humidity Regulated and Recii-culating Dry Kiln.
Page 10 - DC, works in close cooperation with a number of official and private organizations, notably the Bureau of Standards of the Department of Commerce and the Forest Products Laboratory of the Forest Service, Department of Agriculture.
Page 51 - Commerce, comprises about 200 members representing manufacturers, distributors, and consumers of forest products. Its object Is to work for closer utilization of our country's timber resources. The committee, whose headquarters are in the Department of Commerce. Washington, DC, works in close cooperation with a number of...