Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 100
Page 5
... tion for common uses ( not for finish and other high - grade uses ) , except in the matter of shrinkage . The 2 - inch material which goes into house frames is now often seasoned little below that figure , and much of it above the ...
... tion for common uses ( not for finish and other high - grade uses ) , except in the matter of shrinkage . The 2 - inch material which goes into house frames is now often seasoned little below that figure , and much of it above the ...
Page 6
... tion for moisture content , as applied to their particular species , this definition pertaining specifically to air - dried and kiln - dried stock . At last a progressive step has been taken , a logical step , that will establish a ...
... tion for moisture content , as applied to their particular species , this definition pertaining specifically to air - dried and kiln - dried stock . At last a progressive step has been taken , a logical step , that will establish a ...
Page 8
... tion seems well supported by such estimates of degrade losses as have been made . Certain tests on some species have shown degrade losses of less than $ 1 on some common grades , spread upon the entire production of that grade concerned ...
... tion seems well supported by such estimates of degrade losses as have been made . Certain tests on some species have shown degrade losses of less than $ 1 on some common grades , spread upon the entire production of that grade concerned ...
Page 9
... tion , is dried green from the saw without being stacked in the yard at all . Much of the lumber that is air - dried could be kiln - dried with less degrade loss , and at an actual lower cost , all factors considered . In some thick ...
... tion , is dried green from the saw without being stacked in the yard at all . Much of the lumber that is air - dried could be kiln - dried with less degrade loss , and at an actual lower cost , all factors considered . In some thick ...
Page 10
... tion of seasoning losses , the present practice of operating the mill without dry kilns and air - drying the product , most of which will be later kiln - dried somewhere in factory dry kilns , is firmly estab- lished , with a very few ...
... tion of seasoning losses , the present practice of operating the mill without dry kilns and air - drying the product , most of which will be later kiln - dried somewhere in factory dry kilns , is firmly estab- lished , with a very few ...
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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...