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Image from page 233 of "An introduction to practical pharmacy: designed as a text-book for the student, and as a guide to the physician and pharmaceutist. With many formulas and prescriptions" (1856) | by Internet Archive Book Images
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Image from page 233 of "An introduction to practical pharmacy: designed as a text-book for the student, and as a guide to the physician and pharmaceutist. With many formulas and prescriptions" (1856)

Identifier: introductiontopr00parr

Title: An introduction to practical pharmacy: designed as a text-book for the student, and as a guide to the physician and pharmaceutist. With many formulas and prescriptions

Year: 1856 (1850s)

Authors: Parrish, Edward, 1822-1872

Subjects: Pharmacy

Publisher: Philadelphia, Blanchard and Lea

Contributing Library: Yale University, Cushing/Whitney Medical Library

Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

  

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Text Appearing Before Image:

ig.175, may be substituted for the retortsbefore described, an arrangement welladapted to distilling very volatile liquids,and those which boil with great violence.This figure also shows a tube for introduc-ing fresh portions of the liquid withoutremoving the cork; the tube, being bent,retains a portion of liquid in the bulb andadjacent curve, which prevents the escapeof vapor from the interior. It is designedto extend only a little below the cork. Incase of any stoppage in the apparatus bywhich an accumulation of vapor might takeplace in the flask or retort, these tubeswould serve as a safety valve and the liquidbeing forced out would allow of the escapeof the accumulated steam. The pharmaceutical still is the namegiven to an old-fashioned and cheap formof apparatus, in which the condenser is im-mediately over the heated liquid, and thedistillate is collected by means of a ledgeor gutter on its lower surface. Fig. 176 represents a section of this still, which may be made of Fig. 176.

 

Text Appearing After Image:

Flask and safety tube.

  

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Taken circa 1856