Specification of Robert Johnston : medicine.

  • Johnston, Robert
Date:
1856
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Robert Johnston : medicine. Source: Wellcome Collection.

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    Nice® Smite. 2 Johnstons Improved Essence of Mustard. quantity of essential oil of juniper, and the purest alkohol, into a retort, and with as gentle a heat as possible draw it over, and keep it very closely stopped; digest cloves in fresh quantities of pure alkolol so long as they afford any flavour, filter it, put it into a cucurbit, and distil off the spirit till it begins to thicken ; to this residuum add a proper quantity of distill’d water, and it will 5 prcecipitate; divide this proecipitate into flat cakes, and dry it with a gentle heat; digest gum guaiacum in the purest alkohol, filter it, distill off a part of the spirit till it begins to thicken, proecipitate with water, and dry it in the same manner. Take of the above preparation of cloves, mi. 5 3; the preparation of guaiacum, ^ 2 5 7 ; balsam of pern, i. 5 5; balsam of tolu, ^ i. 59; intimately 10 mix the whole together, and stiffen it so as to form a hard mass with Russia castor powder’d, with which castor three drams of the above essence of mustard is to be mixed to each pound of this mass; six drams of genuine kermes mineral is to be added, and then formed into pills. Take brown mustard seed, fb 36, pour thereon 40 gallons of essential oil of turpentine boiling hot, let it stand till cold, and 15 then put it all into the still with a sufficient quantity of water and draw 39 gallons ; to this add lb 2 animal oil or oil of hartshorn (rectified by repeated distillations in retort till divested both of colour and smell), fe 50 camphor, lb 4 essential oil of rosemary, 5 4 essential oil of cloves, lb ft English oil of lavender, and six drams of the above essence of mustard. 20 In witness whereof, I, the said Robert Johnston, have hereunto set my hand and seal, this Twenty-seventh day of April, in the year of our Lord One thousand seven hundred and ninety-eight. ROBT. JOHNSTON, (l.s.) AND BE IT REMEMBERED, that on the same Twenty-seventh day of 25 April, in the year above mentioned, the aforesaid Robert Johnston came before our Lord the King in His Chancery, and acknowledged the Specification aforesaid, and all and every thing therein contained, in form above written. And also the Specification aforesaid was stamped according to the tenor of the Statute in that case made and provided. 30 Inrolled the Twenty-eighth day of April, in the year above written. LONDON; Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen’s most Excellent Majesty. 185(7.
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