Report ..., المجلدات 9-17U.S. Government Printing Office, 1929 |
من داخل الكتاب
النتائج 1-5 من 71
الصفحة
... blue - stain damage . 26. Samples showing checking and honeycombing-27. Section of oak plank showing severe honeycomb --- 28. End checking in a cross section of western larch.29. Partly air - dried pile of thick oak with severe end ...
... blue - stain damage . 26. Samples showing checking and honeycombing-27. Section of oak plank showing severe honeycomb --- 28. End checking in a cross section of western larch.29. Partly air - dried pile of thick oak with severe end ...
الصفحة
... blue stain Defects produced in lumber by air seasoning _ - _ . Surface checking and casehardening . Loosening of knots . Warping and cupping ... Period required for adequate air - drying of lumber . Seasoning of miscellaneous sawmill ...
... blue stain Defects produced in lumber by air seasoning _ - _ . Surface checking and casehardening . Loosening of knots . Warping and cupping ... Period required for adequate air - drying of lumber . Seasoning of miscellaneous sawmill ...
الصفحة
... blue - stain damage_ 26. Samples showing checking and honeycombing- 27. Section of oak plank showing severe honeycomb_ . 28. End checking in a cross section of western larch_ . 29. Partly air - dried pile of thick oak with severe end ...
... blue - stain damage_ 26. Samples showing checking and honeycombing- 27. Section of oak plank showing severe honeycomb_ . 28. End checking in a cross section of western larch_ . 29. Partly air - dried pile of thick oak with severe end ...
الصفحة 10
... blue - stain damage on susceptible species . Such stock , of course , can be given a final kiln - drying . This combination method is often cheaper than seasoning by either kiln - drying or air - drying exclusively and produces better ...
... blue - stain damage on susceptible species . Such stock , of course , can be given a final kiln - drying . This combination method is often cheaper than seasoning by either kiln - drying or air - drying exclusively and produces better ...
الصفحة 14
... blue - stain fungus than decay fungus , whenever blue- stain trouble is present , for blue stain develops more rapidly and is more apt to do visible damage to the lumber in 14 SEASONING , HANDLING , AND CARE OF LUMBER Pile foundations_.
... blue - stain fungus than decay fungus , whenever blue- stain trouble is present , for blue stain develops more rapidly and is more apt to do visible damage to the lumber in 14 SEASONING , HANDLING , AND CARE OF LUMBER Pile foundations_.
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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...