Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 94
Page 3
... effect on manufacturers ' seasoning . In times of brisk demand lumber is grudged the time taken to air- dry it and is sometimes shipped somewhat scant in seasoning , because there is an urgent order and no drier stock to fill it . The ...
... effect on manufacturers ' seasoning . In times of brisk demand lumber is grudged the time taken to air- dry it and is sometimes shipped somewhat scant in seasoning , because there is an urgent order and no drier stock to fill it . The ...
Page 12
... effect on the lumber could be observed . Some sawmills are provided with a separate transportation system for outgoing lumber , consisting of railroad tracks laid through the yard between the rear ends of the lumber piles ; and unpiling ...
... effect on the lumber could be observed . Some sawmills are provided with a separate transportation system for outgoing lumber , consisting of railroad tracks laid through the yard between the rear ends of the lumber piles ; and unpiling ...
Page 13
... no al- lowance for cross alleys or of idle space ; where mill yards use higher piles and closer spacing it naturally reduces the effect of wind and sun on the piles and makes for somewhat slower drying MANUFACTURERS ' EDITION 13.
... no al- lowance for cross alleys or of idle space ; where mill yards use higher piles and closer spacing it naturally reduces the effect of wind and sun on the piles and makes for somewhat slower drying MANUFACTURERS ' EDITION 13.
Page 23
... effect of foundation height : In a particular study unit two redwood piles were erected - one with a foundation height 32 inches in front and 20 inches in the rear , the other 20 and 12 inches , respectively , all other conditions being ...
... effect of foundation height : In a particular study unit two redwood piles were erected - one with a foundation height 32 inches in front and 20 inches in the rear , the other 20 and 12 inches , respectively , all other conditions being ...
Page 24
... effect of improvement in foundations . If they are built of timbers laid on the ground , some of them may have decayed sufficiently to need replacement ; a row of foundations elevated on posts sufficiently to let air under the piles ...
... effect of improvement in foundations . If they are built of timbers laid on the ground , some of them may have decayed sufficiently to need replacement ; a row of foundations elevated on posts sufficiently to let air under the piles ...
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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...