An Infusion of Bark or other Bitters, and of Garlick, in Spirits, has been found to encrease their Efficacy as Preservatives both against the Effects of Cold and malignant Distempers. Dr. _Lind_ has recommended an Infusion of Garlick in Spirits as one of the best Stomachics and Diaphoretics he knows in cold wet Weather. And many have recommended a Tincture of the Bark[146]: Towards the End of the Year 1743, Mr. _Tough_, one of the Apothecaries to the _British_ military Hospital in the late War, then a Mate to a marching Regiment, was ordered to go down the _Rhine_ with a Party of Sick, who had the Seeds of the Hospital Fever among them, and were to go in Bilanders, from _Germany_ to _Flanders_. Having had a Cask or two of Brandy put aboard as Part of the Stores for the Sick, he was afraid lest the Men should make too free with the Spirits; to prevent which he threw in a Quantity of Bark into each Cask, and gave the Men regularly, Morning and Evening, a Glass of this bitter Tincture. At the same Time, the Men were kept extremely clean. By these Means most of the Sick mended upon the Passage, without the Malignant Fever appearing again amongst them; whereas, Dr. _Pringle_, who takes Notice of the other Parties who came from the same Hospitals in _Germany_, tells us, that the Malignant Fever broke out in a violent Degree, and Half the Number died by the Way, and federal others soon after their Arrival[147]. [146] During the Campaign in _Hungary_, in the Year 1717, Count _Boneval_ preserved both himself and Family from Disorders, by taking himself, and making all his Domesticks take, two or three Times a Day, a small Quantity of Brandy, in which Bark had been infused, at a Time when all the Rest of the Army were infected with malignant Disorders. A Regiment in _Italy_ continued healthy by the Use of the Bark, when the Rest of the _Austrian_ Army, who did not pursue the same Method, were greatly annoyed with Sickness. See _Kramer._ quoted by Dr. _Lind_. [147] _Observat._ part. i. chap. iii. Commanding Officers ought always to endeavour to proportion the Time the Men are to be upon Duty to the Weather and the Nature of the Climate. The Time of standing Centinel in very hard Frost, and in cold wet Weather, or in the Heat of the Day in Summer, when the Weather is very warm, and in hot Climates, ought to be shorter than when the Weather is dry and more temperate. The Marches of Troops ought, if possible, during the Time of very hot Weather, to be made either very early in the Morning, in the Evening, or at Night; and Officers, during the Course of an active Campaign, ought to spare their Men as much as possible.