Cod liver oil : causes of its frequent inefficacy, and means of removing the same, with remarks upon the superiority of the light brown over the pale oil, directions for its use, and cases in which the oil has been used with the greatest effect / by L.J. de Jongh.
- Jongh, Ludovicus Josephus de
- Date:
- 1854
Licence: Public Domain Mark
Credit: Cod liver oil : causes of its frequent inefficacy, and means of removing the same, with remarks upon the superiority of the light brown over the pale oil, directions for its use, and cases in which the oil has been used with the greatest effect / by L.J. de Jongh. 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.
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![40 Letter from Dr. Fouquiek, Professor at the University of Paris, Physician to his late Majesty Louis Philippe, <&c. |-Translated from the French original/] Dear Sir and Honoured Colleaoue—I must begin by thanking you for your polite attention in sending me your works, and must furthermore openly acknowledge that you have rendered an eminent service to science, by acquainting practitioners with the cause of tli£ frequent irregularity in the effects of the cod liver oil, and directing their attention to a proper choice. You have thereby preserved to science the use of a medicine that might have fallen into utter discredit in consequence of its unaccountable inaction in some cases. It is therefore with the greatest pleasure that I pay my tribute of well-merited praise to the successful efforts of the learned physician and chemist, whose researches after truth have cost him so many sacrifices, and who has shown us the way of rendering highly effectual the administration of one of the most powerful medicines we are acquainted with. Accept the assurance, most honoured colleague, of my sincere expression of gratitude and regard. (Signed) Fouquiek, Paris, Nov. 12, 1S47. Physician to the King. To Dr. De Jongli at the. Hague. Letter from Dr. Jonathan Pereira, Professor at the University of London, dec., die. My Dear Sir—I was very glad to find from you, when I had the pleasure of seeing you in London, that you were interested commercially in cod liver oil. It was fitting that the author of the best analysis and investigations into the properties of this oil should himself be the purveyor of this important medicine. I feel, however, some diffidence in venturing to fulfil your request by giving you my opinion of the quality of the oil of which you gave me a sample ; because I know that no one can be better, and few so well, acquainted with the physical and chemical proper- ties of this medicine as yourself, whom I regard as the highest authority on the subject. I can, however, have no hesitation about the propriety of responding to your application. The oil which you gave me was of the very finest quality, whether considered with reference to its colour, flavour, or chemical properties; and I am satisfied tliat for medicinal purposes no finer oil can be procured. With my best wishes for your success, believe me, my deal- Sir, to be very faithfully yours, (Signed) Jonathan Pereira. Finsbury Square, London, April 1G, 1851.](https://iiif.wellcomecollection.org/image/b22376306_0048.jp2/full/800%2C/0/default.jpg)
