Report ..., المجلدات 9-17U.S. Government Printing Office, 1929 |
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الصفحة
... species of import- ance in the United States and represent a summary of the methods which they employ . This report is intended to point out in a purely suggestive way the various methods of producing properly seasoned lumber . Yard ...
... species of import- ance in the United States and represent a summary of the methods which they employ . This report is intended to point out in a purely suggestive way the various methods of producing properly seasoned lumber . Yard ...
الصفحة 1
... species of wood and in all lumber - manufacturing regions . These replies give a fair view of the main features of practice in respect to the subjects embraced in the report . As an adequate personal field survey of the entire sawmill ...
... species of wood and in all lumber - manufacturing regions . These replies give a fair view of the main features of practice in respect to the subjects embraced in the report . As an adequate personal field survey of the entire sawmill ...
الصفحة 4
... species have been published . The individual millman is therefore in a position to know whether the variation in seasoned condition of his own shipments is under the average range for his species and locality . The range of seasoning ...
... species have been published . The individual millman is therefore in a position to know whether the variation in seasoned condition of his own shipments is under the average range for his species and locality . The range of seasoning ...
الصفحة 5
... species has not quite reached the point where shrinkage begins , except as surface drying may have gone a little further and produced some shrinkage . Many softwoods uniformly seasoned to 20 per cent have arrived at a fairly fit condi ...
... species has not quite reached the point where shrinkage begins , except as surface drying may have gone a little further and produced some shrinkage . Many softwoods uniformly seasoned to 20 per cent have arrived at a fairly fit condi ...
الصفحة 6
... species , of the wood - manufacturing problem , the handling , season- ing , and care of lumber , together with entirely different seasonal conditions , are only a few of the many complexities which must be solved before such a ...
... species , of the wood - manufacturing problem , the handling , season- ing , and care of lumber , together with entirely different seasonal conditions , are only a few of the many complexities which must be solved before such a ...
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
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
مقاطع مشهورة
الصفحة 8 - Board, and the Bureau of Foreign and Domestic Commerce of the Department of Commerce.
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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...