Base mixing machine in which the pyroxylin is broken up and reduced to fluid form by the addition of solvents in the process of manufacturing finishes at one of the plants of DuPont.
A section of the continuous conveyor type of dryer used to thoroughly dry the cotton following its purification for use in manufacturing finishes by DuPont.
Solvent refining area where the liquid ingredients required in the manufacture of lacquer are refined and prepared for use at a typical finishes plant of DuPont.
Color mills in which the pigments are ground into solution with the base mixture in order to obtain the various colors in finishes manufactured by DuPont.
Color mills in which the pigments are ground into solution with the base mixture in order to obtain the various colors in finishes manufactured by DuPont.
Following the base mixing, the dissolved cotton is filtered through a base filter press to remove any remaining impurities, an important part of the process of manufacture of finishes by DuPont.
Ink distributor rollers made of 'Lucite' methyl methacrylate resin have been used to replace rollers of other materials on duplicators and off-set presses because the plastic is durable and easily cleaned. Operator is shown cleaning a roller made...
Bales of raw cotton linters composed of short, raw cotton fibers left on the boll after the larger fibers have been removed. These constitute the principal raw materials used in the manufacture of finishes by DuPont.
A 'devil duster' in which the raw cotton is agitated to shake out the dust and loose foreign matter preparatory to its manufacture into finishes by DuPont.
How fast a lacquer or finish will dry is determined by the use of plate glass discs coated with the material to be tested and revolved slowly while a thin trickle of sand falls on them from a cone shaped container. It has been found by DuPont...
Cotton cheese' or dehydrated cotton resulting from displacing water, remaining after the nitration process, by forcing alcohol through the cotton under pressure, a further process in the manufacture of finishes by DuPont.
