Report ..., المجلدات 9-17U.S. Government Printing Office, 1929 |
من داخل الكتاب
النتائج 1-5 من 100
الصفحة
... treated and handled . The subject of wood flour ( ground sawdust ) is given special treatment , mainly with the idea of making the United States independent of foreign supplies of this material . Price , 10 cents per copy . GRADE ...
... treated and handled . The subject of wood flour ( ground sawdust ) is given special treatment , mainly with the idea of making the United States independent of foreign supplies of this material . Price , 10 cents per copy . GRADE ...
الصفحة
... treatments particularly in compartment kilns . 101 Kiln - drying of sawmill product other than lumber_ 105 The kiln - drying of shingles .. 105 Making moisture - content tests-- 106 Casehardening tests and samples --- . 109 Dry - kiln ...
... treatments particularly in compartment kilns . 101 Kiln - drying of sawmill product other than lumber_ 105 The kiln - drying of shingles .. 105 Making moisture - content tests-- 106 Casehardening tests and samples --- . 109 Dry - kiln ...
الصفحة 20
... treated material be used for pile foundations . The questionnaire contained a specific inquiry on that point , but the replies showed only one instance where pre- servatives are used . At this mill the foundation cross timbers are set ...
... treated material be used for pile foundations . The questionnaire contained a specific inquiry on that point , but the replies showed only one instance where pre- servatives are used . At this mill the foundation cross timbers are set ...
الصفحة 57
... treatment , while at other railroad treating plants 60 days at a favorable season of the ' year is considered sufficient on some species . The manufacturer of sawed ties is usually not directly interested , because he makes ship- ment ...
... treatment , while at other railroad treating plants 60 days at a favorable season of the ' year is considered sufficient on some species . The manufacturer of sawed ties is usually not directly interested , because he makes ship- ment ...
الصفحة 101
... treatment at that stage is desirable to moisten the dry surface . These intermediate steam treatments are impossible in a progressive kiln but entirely feasible in a compartment kiln , and their use on stock , as mentioned before ...
... treatment at that stage is desirable to moisten the dry surface . These intermediate steam treatments are impossible in a progressive kiln but entirely feasible in a compartment kiln , and their use on stock , as mentioned before ...
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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...