. Biology; the story of living things. 594 MAN AS A CONQUEROR Chemical Products from Wood ' baking powder lignin (at present one printing ink cellophane fourth of wood is w aste) rayon cellulose pyroligneous acid resin cellulose acetate oleo resin sausage casings cellulose nitrate oxalic acid sealing wax collodion-film paint smokeless powder ethyl alcohol paper soap furfural paper size sugars galactin patent leather synthetic camphor hydrolyzed sawdust plastics turpentine lacquer polish varnish placed by metal or other substances, and in general the rate of forest cutting has been somewhat red


. Biology; the story of living things. 594 MAN AS A CONQUEROR Chemical Products from Wood ' baking powder lignin (at present one printing ink cellophane fourth of wood is w aste) rayon cellulose pyroligneous acid resin cellulose acetate oleo resin sausage casings cellulose nitrate oxalic acid sealing wax collodion-film paint smokeless powder ethyl alcohol paper soap furfural paper size sugars galactin patent leather synthetic camphor hydrolyzed sawdust plastics turpentine lacquer polish varnish placed by metal or other substances, and in general the rate of forest cutting has been somewhat reduced by these and other means. Rail- roads are planting areas for the production of ties and each year sees more emphasis placed on the care and protection of forested areas. Recent figures indicate that over a five-year period, although the num- ber of forest fires in national forests increased from 7601 for a previous five-year period to 9512, yet the number of acres burned over was less than half that burned in the previous period. Forest Service officials give credit to the members of the for this saving. Not only. Wright Pierce Flood control work 1)> the Civilian Conservation Corps. Ry means of wire mesh and small stones this mountain torrent is kept within bounds at a time of flood. ' U. S. Forest Service, Forest Products Lab., Madison, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hunter, George W. (George William), 1873-1948; Walter, Herbert Eugene, b. 1867; Hunter, George W. (George William), 1902-. New York, Cincinnati [etc. ] American book company


Size: 2127px × 1175px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorwalterherberteugeneb1867, bookcentury1900, bookpublish