Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 6-10 of 50
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... Brown sap stain in western yellow or Pondosa pine lumber____ 2. Brown sap stain A and blue stain B , in air - seasoned western yellow or Pondosa pine sapwood from Oregon .. Upper - Kiln - brown stain in sugar - pine lumber . Lower - Yard- ...
... Brown sap stain in western yellow or Pondosa pine lumber____ 2. Brown sap stain A and blue stain B , in air - seasoned western yellow or Pondosa pine sapwood from Oregon .. Upper - Kiln - brown stain in sugar - pine lumber . Lower - Yard- ...
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... brown chemical stains and brown sap stain , which is caused by a fungus . - - - 2. Relation between sap - stain fungi and moisture content of wood ( oven - dry basis ) , including some wood - rot fungi for com- parison . 22 62 67 68 5 8 ...
... brown chemical stains and brown sap stain , which is caused by a fungus . - - - 2. Relation between sap - stain fungi and moisture content of wood ( oven - dry basis ) , including some wood - rot fungi for com- parison . 22 62 67 68 5 8 ...
Page 1
... brown stain , which occurs as a yellow to dark - brown stain in air - seasoned white pine ( Pinus strobus ) , sugar pine ( P. Lambert- iana ) , and western yellow ( Pondosa ) pine ( P. ponderosa ) . In sugar pine the brown discoloration ...
... brown stain , which occurs as a yellow to dark - brown stain in air - seasoned white pine ( Pinus strobus ) , sugar pine ( P. Lambert- iana ) , and western yellow ( Pondosa ) pine ( P. ponderosa ) . In sugar pine the brown discoloration ...
Page 2
National Committee on Wood Utilization (U.S.). FIGURE 1. - Brown sap stain in western yellow or Pondosa pine lumber . This is a chocolate - colored stain caused by a fungus developing in the wood cells . It is usually found at the ends ...
National Committee on Wood Utilization (U.S.). FIGURE 1. - Brown sap stain in western yellow or Pondosa pine lumber . This is a chocolate - colored stain caused by a fungus developing in the wood cells . It is usually found at the ends ...
Page 3
... brown stains . Machine burn is a familiar type of brown discoloration found in finished stock . The scorched or burned areas develop when the progress of the piece through the machine is retarded and heat is generated by friction ...
... brown stains . Machine burn is a familiar type of brown discoloration found in finished stock . The scorched or burned areas develop when the progress of the piece through the machine is retarded and heat is generated by friction ...
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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...