Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
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Page
... boards.52. Use of form for shaping chimney in kiln load . 53. Completed load piled with use of tunnel form.54. Kiln ... board upon resawing63. Churt of equilibrium moisture content in wood .--1 1 1 59 60 60 61 61 62 63 64 65 65 66 69 78 ...
... boards.52. Use of form for shaping chimney in kiln load . 53. Completed load piled with use of tunnel form.54. Kiln ... board upon resawing63. Churt of equilibrium moisture content in wood .--1 1 1 59 60 60 61 61 62 63 64 65 65 66 69 78 ...
Page 7
... board or in the salable volume , or both . They may occur at almost any period during the manufacture and use of ... board feet , and the two - thirds saving estimated as possible in the last para- graph would be equivalent to ...
... board or in the salable volume , or both . They may occur at almost any period during the manufacture and use of ... board feet , and the two - thirds saving estimated as possible in the last para- graph would be equivalent to ...
Page 8
... board feet . Some of the figures quoted may seem large at first glance , but this final figure of a lit- tle over $ 1 ... boards . If the loss in footage from seasoning defects is taken as 22 per cent , and if the average mill value of ...
... board feet . Some of the figures quoted may seem large at first glance , but this final figure of a lit- tle over $ 1 ... boards . If the loss in footage from seasoning defects is taken as 22 per cent , and if the average mill value of ...
Page 13
... boards in the pile equivalent to half the width of boards , it would require about 75 courses of inch lumber pile to total a million feet per acre , which ( if inch stickers were used ) would make a pile about 122 feet high . This ...
... boards in the pile equivalent to half the width of boards , it would require about 75 courses of inch lumber pile to total a million feet per acre , which ( if inch stickers were used ) would make a pile about 122 feet high . This ...
Page 25
... boards . In the various air - seasoning studies there seems to have been little study of the effect of pile width upon seasoning . In the study made in the California pine and redwood region it is stated that the pine yards are mostly ...
... boards . In the various air - seasoning studies there seems to have been little study of the effect of pile width upon seasoning . In the study made in the California pine and redwood region it is stated that the pine yards are mostly ...
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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...