Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 6-10 of 100
Page 33
... amount of addi- tional degrade occurring in self - stuck lumber over that for which special stickers were used , but the replies were not very definite . A good many of them stated that no additional degrade was apparent , while others ...
... amount of addi- tional degrade occurring in self - stuck lumber over that for which special stickers were used , but the replies were not very definite . A good many of them stated that no additional degrade was apparent , while others ...
Page 34
... amount of piling space their use requires . It might be well to have 4/4 , 6/4 , and 8/4 for standard sticker thicknesses and use the thicker ones in pile bottoms with inch stickers in the upper portion where this secures more even ...
... amount of piling space their use requires . It might be well to have 4/4 , 6/4 , and 8/4 for standard sticker thicknesses and use the thicker ones in pile bottoms with inch stickers in the upper portion where this secures more even ...
Page 37
... amount of rain that can get into the rear sticker crossings . Of the questionnaire replies , 53 indicated the placement of rear stickers , and 16 showed that they were placed flush , 23 with some projection , and 14 that they were ...
... amount of rain that can get into the rear sticker crossings . Of the questionnaire replies , 53 indicated the placement of rear stickers , and 16 showed that they were placed flush , 23 with some projection , and 14 that they were ...
Page 39
... amount of protection to the lumber ends and hold the long lumber secure against excessive warp or twist . It is reported as not wholly successful with a few species , because of the excessive degrade in the rear end of the pile from end ...
... amount of protection to the lumber ends and hold the long lumber secure against excessive warp or twist . It is reported as not wholly successful with a few species , because of the excessive degrade in the rear end of the pile from end ...
Page 47
... amount of stain , which it does not entirely prevent but is chiefly effective in preventing surface infection ; if the stain is already inside the lumber , it may continue to develop in the interior . Dipping slightly discolors the ...
... amount of stain , which it does not entirely prevent but is chiefly effective in preventing surface infection ; if the stain is already inside the lumber , it may continue to develop in the interior . Dipping slightly discolors the ...
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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...