Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 98
Page
... southern pine sawmill . 34. Round - edged lumber piled for air - drying-35. Squares bundled with stickers and wire - tied over protecting blocks-36. Bundle dimension stacked for air - drying outdoors-37. Piles of squares end protected ...
... southern pine sawmill . 34. Round - edged lumber piled for air - drying-35. Squares bundled with stickers and wire - tied over protecting blocks-36. Bundle dimension stacked for air - drying outdoors-37. Piles of squares end protected ...
Page 7
... southern pine , for instance , research has devised 72 - hour kiln - drying schedules , which have reduced degrade from about 20 to 5 per cent in the upper grades and from about 30 to 10 per cent or less in the common grades . A careful ...
... southern pine , for instance , research has devised 72 - hour kiln - drying schedules , which have reduced degrade from about 20 to 5 per cent in the upper grades and from about 30 to 10 per cent or less in the common grades . A careful ...
Page 8
... portion of common lumber is air - dried ; even in the species where kiln - drying of common grades had gone to the greatest extent , as in southern pine , it is improbable that kiln - 8 SEASONING , HANDLING , AND CARE OF LUMBER.
... portion of common lumber is air - dried ; even in the species where kiln - drying of common grades had gone to the greatest extent , as in southern pine , it is improbable that kiln - 8 SEASONING , HANDLING , AND CARE OF LUMBER.
Page 9
National Committee on Wood Utilization (U.S.). in southern pine , it is improbable that kiln - drying of common pre- dominates over air - drying in the total volume of annual product . Whatever the national loss from preventable wastes ...
National Committee on Wood Utilization (U.S.). in southern pine , it is improbable that kiln - drying of common pre- dominates over air - drying in the total volume of annual product . Whatever the national loss from preventable wastes ...
Page 10
... southern hardwoods . This plan succeeds in avoiding blue - stain damage on susceptible species . Such stock , of course , can be given a final kiln - drying . This combination method is often cheaper than seasoning by either kiln ...
... southern hardwoods . This plan succeeds in avoiding blue - stain damage on susceptible species . Such stock , of course , can be given a final kiln - drying . This combination method is often cheaper than seasoning by either kiln ...
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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...