Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 100
Page 24
... inches high , or less , at the low end , while the other half used foundations having a height of 15 inches or more . Subdividing further , 11.3 per cent reported foundations under 10 inches , scattered through all species except ...
... inches high , or less , at the low end , while the other half used foundations having a height of 15 inches or more . Subdividing further , 11.3 per cent reported foundations under 10 inches , scattered through all species except ...
Page 31
... inches increases the drying rate but beyond that has little effect . Too open spacing may increase losses from ... inches , 15 use 5 inches up , and 14 use 2 inches and under . The wider spacing is used in redwood. MANUFACTURERS ' EDITION ...
... inches increases the drying rate but beyond that has little effect . Too open spacing may increase losses from ... inches , 15 use 5 inches up , and 14 use 2 inches and under . The wider spacing is used in redwood. MANUFACTURERS ' EDITION ...
Page 32
... inches for crossers , 8 reported a width limit of 6 inches , 5 set it at 8 inches , 4 at 12 inches , and 20 had no specific limit . In the West the practice is sometimes followed of piling 8 and 10 inch widths together and 6 and 12 inch ...
... inches for crossers , 8 reported a width limit of 6 inches , 5 set it at 8 inches , 4 at 12 inches , and 20 had no specific limit . In the West the practice is sometimes followed of piling 8 and 10 inch widths together and 6 and 12 inch ...
Page 35
... inch thickness for thicker stock . The only thick- ness reported in use for western ( Pondosa ) pine is 111⁄2 inches , by 1 mill ; 9 others reported the use of stickers 2 inches thick for all stock , except for 2 mills where stickers 34 ...
... inch thickness for thicker stock . The only thick- ness reported in use for western ( Pondosa ) pine is 111⁄2 inches , by 1 mill ; 9 others reported the use of stickers 2 inches thick for all stock , except for 2 mills where stickers 34 ...
Page 36
... inch or half inch is considered sufficient . A 4 - inch sticker on softwoods can be set out 2 inches if desired , and where 8 - inch lumber is self - crossed the crosser is sometimes set out 3 or 4 inches . Sometimes wider end stickers ...
... inch or half inch is considered sufficient . A 4 - inch sticker on softwoods can be set out 2 inches if desired , and where 8 - inch lumber is self - crossed the crosser is sometimes set out 3 or 4 inches . Sometimes wider end stickers ...
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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...