Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 100
Page 10
... bottom of the piles dries more rapidly than that in the middle height , an unusual and very desirable condition . A California manufacturer reports the adop- tion of wood ashes and cinders for yard filling because 10 SEASONING ...
... bottom of the piles dries more rapidly than that in the middle height , an unusual and very desirable condition . A California manufacturer reports the adop- tion of wood ashes and cinders for yard filling because 10 SEASONING ...
Page 14
... bottom third of the pile ; more slowly of course in the 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 ...
... bottom third of the pile ; more slowly of course in the 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 ...
Page 24
... bottom in excess of that at the top , which means either that lumber in the bottom will not be adequately dry when the pile is torn down or the pile must be carried a longer period in order to secure the desired seasoning in the slower ...
... bottom in excess of that at the top , which means either that lumber in the bottom will not be adequately dry when the pile is torn down or the pile must be carried a longer period in order to secure the desired seasoning in the slower ...
Page 25
... bottom of the pile , by allowing more space between boards , more chimney spac- ing , and occasional doubled sticker courses , using a doubled thick- ness of stickers . Improvement does not usually come from con- tinuing to do things in ...
... bottom of the pile , by allowing more space between boards , more chimney spac- ing , and occasional doubled sticker courses , using a doubled thick- ness of stickers . Improvement does not usually come from con- tinuing to do things in ...
Page 28
... bottom , drawing fresh air in its place . This movement tends to be most active where there is most evaporation from the lumber , and there- fore shows most activity in the greenest portion of the 28 SEASONING , HANDLING , AND CARE OF ...
... bottom , drawing fresh air in its place . This movement tends to be most active where there is most evaporation from the lumber , and there- fore shows most activity in the greenest portion of the 28 SEASONING , HANDLING , AND CARE OF ...
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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...