Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 80
Page 13
... fungus develop , they send out literally millions of spores to float in the air and infect whatever wood , in favorable condition for infection , they may light It is important to keep such sources of infection out of the lumberyard . A ...
... fungus develop , they send out literally millions of spores to float in the air and infect whatever wood , in favorable condition for infection , they may light It is important to keep such sources of infection out of the lumberyard . A ...
Page 14
... 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_.
... 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_.
Page 15
... warning , but the stain fungus can develop a cloud of spores without giving visible evidence. MANUFACTURERS ' EDITION 15 New longitudinal pile foundations on concrete piers_ Old foundation contrasted with improved form_.
... warning , but the stain fungus can develop a cloud of spores without giving visible evidence. MANUFACTURERS ' EDITION 15 New longitudinal pile foundations on concrete piers_ Old foundation contrasted with improved form_.
Page 35
... fungus does not attack ; and such stickers can become sources of infection in the next pile on which they are used . In such cases new bright stickers are preferable to old black ones , and their useful life may be curtailed ...
... fungus does not attack ; and such stickers can become sources of infection in the next pile on which they are used . In such cases new bright stickers are preferable to old black ones , and their useful life may be curtailed ...
Page 45
... fungi . This fungus is different from those that produce decay in wood , as it does not break down and feed upon the wood substance itself but lives on the soluble contents of the cells of sapwood , and so affects the heartwood little ...
... fungi . This fungus is different from those that produce decay in wood , as it does not break down and feed upon the wood substance itself but lives on the soluble contents of the cells of sapwood , and so affects the heartwood little ...
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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...