There is no doubt but it will fully answer your Lordships tender Care and Concern for the Welfare of Navigators, as it will contribute much to their Health, by supplying them, in exchange for a very noxious, with Plenty of fresh Air, that genuine Cordial of Life: For that wonderful Fluid the Air, which, by infinite Combinations with natural Bodies, produces surprizing Effects, as it is on the one Hand when pure, the chief Nourisher and Preserver of the Life of Animals and Vegetables; so, when foul and putrid, it is the great Principle of their Destruction.
British scientist (1677-1761)
(September 17, 1677- January 4, 1761) was an English clergyman whose inventions, studies and experiments made major contributions to developments in botany, and in both plant and animal . He was the first to measure utilizing his "Hales Manometer", and also invented a to distill various "airs" i.e., gases. His other medical or health related inventions include a ventillation bellow to improve air quality in enclosed spaces, and surgical for the removal of s. He was a philanthropist and wrote a popular tract on alcoholic intemperance.
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As these Ventilators are like to prove of great Benefit to Mankind, in many other Respects than are here mentioned, or can as yet be thought of; so it will be of great use, if those who shall have made farther Improvements, will... communicate them; as also an Account of the Difficulties or Success they have met with in putting the Things here proposed in execution.
Hence likewise it is, that these spirituous Liquors rarely fail to destroy the Appetite and Digestion of those, who habituate themselves to them; for by drying up, and spoiling the Nerves, they make them insensible; they destroy also many of the very fine Blood Vessels, especially where their Fibres are most tender, as in the Brain; by which means, the Memory and intellectual Faculties are ruined: Nay, by inflaming the Blood, and disordering the Blood-Vessels and Nerves, they vitiate and deprave the Natural Temper.
We have seen in the Course of these Experiments, the Quantity of Tar that there is in Tar-Water; and the great Difference of that Quantity, made with different kinds of Tar, and different Degrees of Stirring. Now, since, notwithstanding these Quantities of Tar, and the additional more subtile volatile Oil, which flies off in Evaporation, it has yet undoubtedly proved an efficacious Remedy in many Cases and Instances; it may hence be reasonably concluded, that the Medicinal Virtue of the Water does not reside solely in the Acid, but partly also in the unctuous oily Parts, which are so temper'd by the Acid, as in some Cases to prevent their heating too much.
He proposes also to prevent Sea-Sickness thereby, by having a Man thus shut up in a close Cabin in a compressed Air: This, I suppose, has led some to say, that this and my Proposal are the same. But bow wide is their Difference! My Ventilators are intended to promote a free Perspiration and Breathing, by conveying great Quantities of fresh Air into Ships, in exchange for very bad Air. On the contrary, Dr. Henshaw's Conetrivance would make a good Air, by confining it, very bad, and thereby retard Perspiration, and incommode the Breathing, and so cause, instead of preventing, Sickness... Besides, the Make of my Ventilators is very different from that of Organ-Bellows.
I have here, and as occasion offered under several of the foregoing Experiments, only touched upon a few of the most obvious instances, wherein these kind of researches may possibly be of service in giving us useful hints in the culture of plants: Tho' I am very sensible, that it is from long experience chiefly that we are to expect the most certain rules of practice, yet it is withal to be remembred, that the likeliest method to enable us to make the most judicious observations, and to put us upon the most probable means of improving any art, is to get the best insight we can into the nature and properties of those things which we are desirous to cultivate and improve.
[I]t occurred to me the March following, that large Ventilators would be very serviceable, in making the Air in Ships more wholesome; this I was so fully satisfied of, that I immediately drew up an Account of it; several Copies of wbich were communicated, both by my self and others, to many Persons of Distinction, and Members of the Royal Society: Before whom I laid a large Account of it, which was read in their Presence the May following...
And since in vegetables, their growth and the preservation of their vegetable life is promoted and maintained, as in animals, by the very plentiful and regular motion of their fluids, which are the vehicles ordained by nature, to carry proper nutriment to every part; it is therefore reasonable to hope, that in them also, by the same method of inquiry, considerable discoveries may in time be made, there being, in many respects, a great analogy between plants and animals.
Man, not contented with the Liquors, which his bountiful Creator intending for his Comfort, has wisely tempered with such a due Proportion of Strength, as would (if taken in Moderation,) make his Heart glad, has unhappily found Means to extract, from what God provided for his Refreshment, a most intoxicating and baneful Spirit, to which, in a great measure, is owing the remarkable Increase of Drunkenness of late Years; which Vice reigns to a most enormous Degree, among the habitual Drinkers of Gin, Brandy, and other Distilled Liquors; which are found to be most pernicious and destructive. For at the same shat they coagulate and thicken the Blood, they also contract and narrow the Blood-Vesels; which has, in fact, been found to be true, by Experiments I have purposely made with Brandy, on the Blood and Blood-Vesels of Animals.