Sentence Examples


  • Temporary cement for lathe-work, such as the polishing and grinding of jewelry and optical glasses, is compounded thus: - rosin, 4 oz.; whitening previously made redhot, 4 oz.; wax, 4 oz.
  • The value of the turpentine and rosin products in 1905 was $2,434,365.
  • ROSIN (a later variant of "resin," q.v.) or Colophony (Colophonia resina, resin from Colophon in Lydia), the resinous constituent of the oleo-resin exuded by various species of pine, known in commerce as crude turpentine.
  • The separation of the oleo-resin into the essential oil-spirit of turpentine and common rosin is effected by distillation in large copper stills.
  • The essential oil is carried off at a heat of between 212° and 316° F., leaving fluid rosin, which is run off through a tap at the bottom of the still, and purified by passing through a straining wadding.
 

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