Notes on pharmacy in the olden time, collected and illustrated / by John Eagle.

  • Eagle, John
Date:
1885
Catalogue details

Licence: Public Domain Mark

Credit: Notes on pharmacy in the olden time, collected and illustrated / by John Eagle. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    58/66 page 48
    The process of distillation per descensum (terms first used by Galen in regard to the melting of metals) was sometimes utilized for obtaining essential oils, as is shown in the sketch below, representing the prc]>ar- atiuii of oil of juniper. A is the cucurbit in the up- permost ])urt of which are packed the beaten berries [previously digested in horse dung for 28 days], f is the receiving cucurbit, and between the mouths of A and f is a perforated metal plate [ D at side ] su])])ort. ing a column of sand reaching as high as C- Heat be- ing applied at B causes the oil to trickle down through the sand and perforated plate into the receiver. Q- is a ring of straw supportihg the apjjaratus.
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