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cause_n wonder_n work_n worthy_a 25 3 6.0478 4 false
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A57681 The Abyssinian philosophy confuted, or, Tellvris theoria neither sacred not agreeable to reason being for the most part a translation of Petrus Ramazzini, Of the wonderful springs of Modena : illustrated with many curious remarks and experiments by the author and translator : to which is added a new hypothesis deduced from Scripture and the observation of nature : with an addition of some miscellany experiments / by Robert St. Clair ...; Defontium Mutinènsium admiranda scaturgine tractatus physico-hydrostaticis. English Ramazzini, Bernardino, 1633-1714.; St. Clair, Robert N. 1697 (1697) Wing R199; ESTC R3670 79,203 302

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be inserted into it and shut in the Extremity and let F G H I be the Glass Pipes erected perpendicularly but M the Pipe pouring out water Therefore in the Pipe F G according to what was said before the water will rise to O i. e. to parts 5. for the height of the Pipe M pouring out the water is suppos'd 2. and the height of the water contain'd in the Vessel is as 8. But if the Pipe F G be transferred to H I the Orifice where it was fastned being stopt the water will be raised higher i. e. to N to almost 7 degrees which would likewise happen if at the same time two Glass Pipes F G H I stood upright and the Pipe M should pour out water the Vessel being always full for this different height of waters is perceiv'd well enough in every case One may try the same not only when the Pipe that pour'd out the water is longer or shorter but also when many Pipes of different lengths and with proportion to the height of the water contain'd in the Vessel send forth water at the same time and many Glass Pipes are interjected seeing many cases may be fain'd according to every ones Fancy But seeing there is no small Undulation in the Glass Pipes because the water running out at M falls back upon its self this Inconveniency will in some measure be shunned if the Pipe F H be something bended that so both the Glass Pipes and the Pipes sending forth the water be inclin'd to one side for in this case there will happen less Undulation and the different heights of the water may be more easily viewed The Reason of this Phaenomenon I judge to be that the Impetus of the Water running from the Cistern out at M withdraws some of the water from the Pipe F G so that it cannot rise so high and the same Impetus coming to H I finding now no Vent makes it rise higher even to N. This new Observation I communicated to the same Boccabadatus who as he did not a little wonder at the novelty of the thing so being a most ingenious and exact Searcher into natural things he did not cease to enquire into the Cause of it yea afterwards he told me he had the Demonstration of it which he said he would insert into his Work which he is to publish about Mechanick Force I thought fit to propose this Phaenomenon to the Lovers of Hydrostaticks thinking it worthy of the consideration of the more acute VVits to the end it may be discovered from whence this Diversity of Pressures proceeds CHAP. VIII About the Goodness and Excellency of the Wells of Modena THerefore having sail'd over these Subterraneous Waters according to the best of my Understanding as far as I could in a dark Navigation in which neither the Stars nor the Needle did guide me it remains that I furl my Sails and hasten to the Land Georg. 4. But that I may not pass over with a dry Foot the nature of these Fountains so far as they are useful to Men and lest as the Custom is of those that are thirsty I drink quietly I shall touch only at some things relating to this Subject though it seem to be beyond my purpose 'T is an old Dispute what in the Class of Simple Waters is most wholsom seeing some prefer Rain-waters others prefer Fountain-waters in some places River-waters are most preferred in others Well-waters Hippocrates seem'd to prefer Rain-waters to all others for these he called the sweetest the thinnest and the clearest of all seeing what is thinnest and lightest of the water is exalted and drawn up by the Sun Yet 't is certain Hippocrates spoke of Rain waters in the Summer-time which they call Horaiae i. e. Early seeing among waters that want Art he commends these which in the Summer time fall down from the Sky when it thunders but these that fall in Storms he pronounces bad Celsus Galen Avicenna Paulus and others following Hippocrates judge the same On the other hand Pliny does greatly discommend Rain-waters yea he is so angry that he thinks the O pinion which commends them to endanger Men's Lives neither does he think it an Argument of Levity that they have been raised to Heaven seeing Stones also have been rais'd to Heaven and further VVaters when they fall from the Clouds may be infected by the Exhalations of the Earth so that Fountain-water to him seems preferable to them when Plenty of them may be had But if the thing be duly considered there will be no place left to dispute for all Rain-waters as also Fountain-waters being not of the same Goodness seeing every Countrey has not the same Atmosphere nor the same Ground thro' which the water passes seeing also according to Theophrastus such as the Earth is such is the Water it often happens as Co●taeus adverts that in some places for the Purity of the Air the Rain-waters are better but in other places the Fountain or River-waters are the best as the water of the River Nile whose much wish'd-for Inundation keeps all Egypt every Year solicitous But 't is no wonder that the water of the Nile excels in Goodness all others seeing running a long way over a Countrey burnt with the heat of the Sun 't is concocted and is tossed by sudden Falls from the highest Mountains and attenuated Hence Athenaeus testifies That when Philadelphus King of Egypt betroth'd his Daughter Berenice to Antiochus King of Assyria he willed her to take with her the Water of the Nile Yet when other things do not agree it seems the Fountain-waters ought to be preferred to Rain-waters and all others for Rain-waters are drawn from all sorts of Filth Dung and Dead Bodies themselves and though Hippocrates judged them best yet he adds That they have need of being boil'd and strain'd Wherefore 't is not without Reason that some do disprove making of Syrup of Poppeys with Rain-water and they think that Hippocrates spoke according to Reason and not Experience So among the Moderns the most experienc'd Etmuller says That Rain-water kept always something Earthy behind it though distilled a hundred times But so will any Water do as well as Rain water But Well-waters seeing they have no Motion but when they are stirred and in the bottom have much Slime and Rain-waters being gathered of Snow and Rains and running over divers kinds o● Earths and are therefore by Hippocrates call'd disagreeing cannot have that Purity and Simplicity which the Fountain-waters have which are concocted by the Heat pent up in the Bowels of the Earth and are strain'd through the same Earth Therefore our most pure Fountain-waters as they have the first place in the Rank of plain waters so they yield to none of the most famous Fountains of our Times for as much as the Marks by which the most sincere Waters and fittest for Humane Use are commended do appear in these in a most eminent manner The chief Quality that is wanted