Report ..., المجلدات 9-17U.S. Government Printing Office, 1929 |
من داخل الكتاب
النتائج 1-5 من 85
الصفحة
... supplies of this material . Price , 10 cents per copy . GRADE MARKING OF LUMBER FOR THE CONSUMERS ' PROTECTION . This bulletin explains grade marking as applied to lumber and shows the benefits and economics of specifying and using ...
... supplies of this material . Price , 10 cents per copy . GRADE MARKING OF LUMBER FOR THE CONSUMERS ' PROTECTION . This bulletin explains grade marking as applied to lumber and shows the benefits and economics of specifying and using ...
الصفحة 3
... supply . Something less than that will bring complaints and restrict his volume of demand ; some- thing more will not create enough additional demand to be worth while . Unconsciously , in all probability , the degree of seasoning he ...
... supply . Something less than that will bring complaints and restrict his volume of demand ; some- thing more will not create enough additional demand to be worth while . Unconsciously , in all probability , the degree of seasoning he ...
الصفحة 4
... supply lumber in as low a stage of moisture content as during the summer and early fall . This fact is the basis for one of the best arguments for the kiln - drying of lumber . Kiln - drying insures a uniform and dependable flow of sea ...
... supply lumber in as low a stage of moisture content as during the summer and early fall . This fact is the basis for one of the best arguments for the kiln - drying of lumber . Kiln - drying insures a uniform and dependable flow of sea ...
الصفحة 9
... supply . Air - drying requires only suitable yard space and a moderate invest- ment in pile foundations , stickers , etc. , all of which consist of sawed material that the mill itself can supply , and usually from defective and ...
... supply . Air - drying requires only suitable yard space and a moderate invest- ment in pile foundations , stickers , etc. , all of which consist of sawed material that the mill itself can supply , and usually from defective and ...
الصفحة 25
... supply of stickers of the required length . He may find that narrower piles show improved results chiefly in the slower- drying seasons , but varying pile width by season is hardly practical , as it would require a supply of stickers in ...
... supply of stickers of the required length . He may find that narrower piles show improved results chiefly in the slower- drying seasons , but varying pile width by season is hardly practical , as it would require a supply of stickers in ...
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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...