Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 100
Page 1
... amount of instruction text on various phases of the subject , and the report attempts to review this text and ascer- tain how far its details are reflected in the general practice of lum- ber manufacturers . This is imperfectly ...
... amount of instruction text on various phases of the subject , and the report attempts to review this text and ascer- tain how far its details are reflected in the general practice of lum- ber manufacturers . This is imperfectly ...
Page 2
... amount of experimental work on their own account on certain details of air seasoning or kiln - drying ; and 34 report ( and most of them describe ) definite improvements that have resulted from these tests . This is encouraging because ...
... amount of experimental work on their own account on certain details of air seasoning or kiln - drying ; and 34 report ( and most of them describe ) definite improvements that have resulted from these tests . This is encouraging because ...
Page 8
... amount to 75 cents a thousand feet on the entire lumber production , leaving a material additional loss to be added for lumber reduced in value but not footage . Just now the total of national waste in seasoning of lumber as distributed ...
... amount to 75 cents a thousand feet on the entire lumber production , leaving a material additional loss to be added for lumber reduced in value but not footage . Just now the total of national waste in seasoning of lumber as distributed ...
Page 22
... amount of seasoned lumber from a like piling space ; by this is meant that the wider spacing takes more ground for the pile but promotes drying to finished con- dition in enough shorter time to compensate . The season of the year has a ...
... amount of seasoned lumber from a like piling space ; by this is meant that the wider spacing takes more ground for the pile but promotes drying to finished con- dition in enough shorter time to compensate . The season of the year has a ...
Page 32
... amount of degrade somewhat , but not so much as would the use of narrow special stickers . Degrade is especially heavy in the boards used as crossers , mostly in the form of surface checking occurring where they are left fully exposed ...
... amount of degrade somewhat , but not so much as would the use of narrow special stickers . Degrade is especially heavy in the boards used as crossers , mostly in the form of surface checking occurring where they are left fully exposed ...
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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...