3 Matching Annotations
  1. Oct 2024
    1. Cakedinkmayberemovedwithtypeputty,alcohol,carbontetrachloride,oroneoftheproprietarydry-cleaningfluids,appliedwithabrush.Pressthetypeputtyontothetype,peelitoff,andthecakedinkcomeswithit.Ifyouusealiquid,firstliftthetypeandputpaperunderitto prevent dirt from dripping into the machine. When using type-cleaning fluid, be sure toWipe the type dry with a cloth before using the place paper under type to prevent dirt frommachine again.

      dry cleaning solvents in 1941 were likely Varsol or Stoddard's Formula.

      compare to trichloroethane<br /> https://hypothes.is/a/EyBIAFXAEe-AcP-Atlj_aQ

      Note discontinuation of carbon tetrachloride<br /> https://hypothes.is/a/bfdi_I90Ee-OQLN0HpsE7Q

    1. https://en.wikipedia.org/wiki/Carbon_tetrachloride

      Carbon tetrachloride or carbon tet is a non-flammable, dense, colorless liquid which was often used as a cleaning agent in the mid 1900s, but was phased out due to safety and environmental concerns. High exposure can affect the central nervous system and cause damage to the liver and kidneys. Prolonged exposure can be fatal.

  2. May 2024
    1. You will notice that manual was printed in 1920. Gas was the only cleaner available then. In just one more year in 1921 Stoddards Formula was invented (Varsol) for the dry cleaning business. Everything changed then and Varsol was the cleaner of choice.

      should find a better reference