Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 91
Page 3
... occurs to a con- siderable degree in air - dried stocks that are carried in pile too long , and to even a more ... occur ; and this may cause trouble because of the improper use of such material in building frames . Manufacturers ...
... occurs to a con- siderable degree in air - dried stocks that are carried in pile too long , and to even a more ... occur ; and this may cause trouble because of the improper use of such material in building frames . Manufacturers ...
Page 7
... occur at almost any period during the manufacture and use of wood . The principal losses , however , occur at the sawmill and at the remanufacturing plant because it is at these points that most of the seasoning is done . Seasoning ...
... occur at almost any period during the manufacture and use of wood . The principal losses , however , occur at the sawmill and at the remanufacturing plant because it is at these points that most of the seasoning is done . Seasoning ...
Page 14
... occurs to the lumber from dry too rapidly or too slowly , and the location of the yard may be the determining influence . In one southern hardwood mill yard it was found that change in position of piles with reference to prevail- ing ...
... occurs to the lumber from dry too rapidly or too slowly , and the location of the yard may be the determining influence . In one southern hardwood mill yard it was found that change in position of piles with reference to prevail- ing ...
Page 15
... occur on the outside of the piece . This applies generally also to trash of all sorts in the yard ; decay - fungous fruiting bodies developing on it are readily visible and carry their own warning , but the stain fungus can develop a ...
... occur on the outside of the piece . This applies generally also to trash of all sorts in the yard ; decay - fungous fruiting bodies developing on it are readily visible and carry their own warning , but the stain fungus can develop a ...
Page 22
... occurs in the top of any piles built higher than the general level of pile tops . Circulation of prevailing breezes through the piles will depend largely on the air spaces . The main alleys are usually made of adequate width to serve ...
... occurs in the top of any piles built higher than the general level of pile tops . Circulation of prevailing breezes through the piles will depend largely on the air spaces . The main alleys are usually made of adequate width to serve ...
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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...