Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 83
Page 48
... various steps and manipulations of commercial wood- preserving processes . To determine , in conjunction with other experiments to be conducted under this project , the effect of various preservatives on the strength of wood . Physical ...
... various steps and manipulations of commercial wood- preserving processes . To determine , in conjunction with other experiments to be conducted under this project , the effect of various preservatives on the strength of wood . Physical ...
Page 49
... various types of kiln in various sections of the country . To determine the effect on wood of subjecting it to high temperatures and pressures , and to various condi- tions of the surrounding medium , and the investiga- tion of the ...
... various types of kiln in various sections of the country . To determine the effect on wood of subjecting it to high temperatures and pressures , and to various condi- tions of the surrounding medium , and the investiga- tion of the ...
Page 51
... various forms and species treated with different preservatives and processes and untreated . Includes inspection of treated and untreated ties , poles , posts , mine timbers , paving blocks , etc. , of various species placed for test ...
... various forms and species treated with different preservatives and processes and untreated . Includes inspection of treated and untreated ties , poles , posts , mine timbers , paving blocks , etc. , of various species placed for test ...
Contents
Object of the publication | 9 |
Description of the different lines of investigationContinued | 12 |
Wood distillation | 25 |
78 other sections not shown
Common terms and phrases
acres amount annual appraisals average bark brush burning capital cent cooperation cost cover creosote crop Department of Agriculture depreciation determine diameter district Division of Forestry Douglas fir effect Engelmann spruce equipment Experiment Station farm farmers fibers fixed investments forage forest land forest reserves Forest Service Fort Bayard furnish germination grade grazing ground growth important improvements inches investigations investment loblolly pine lodgepole pine longleaf pine lookout lumber material ment methods miles mill moisture mountain National Forests operation owners patrol piling plantations planting poles practical present profit protection railroad range rangers red spruce region reproduction season secure seedlings sheep silvicultural slope soil sowing spark arresters species spring spruce streams studies stumpage sugar pine supply Telephone Company thousand feet timber tion trail trees warden white fir white pine wood lot yellow pine