Thomson's Conspectus of the British pharmacopoeias.

  • Anthony Todd Thomson
Date:
1852
Catalogue details

Licence: Public Domain Mark

Credit: Thomson's Conspectus of the British pharmacopoeias. Source: Wellcome Collection.

    242/248 page 214
    The Measure of Temperature used by all the Colleges is Fahren- heit's thermometer, 212° on the scale of which marks the boiling point of water, and 32° the freezing point: between 90° and 100° denote the gentle heat (calor lenis) of the Pharmacopoeias. TEMPERATURE OF BATHS. The hot bath (balneum fervidum) from 98° to 106°. The warm bath (balneum calidum) from 96° to 98°. The tepid bath (balneum tepidum) from 62° to 96°. The vapour bath (balneum vaporis) from 100° to 130°. For ascertaining the densities of fluids, the Edinburgh College re- commends the hydrometer of Twaddell, or Levy's density beads. The temperature of the fluids tested should be 60° Fahr.
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