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A55584 Experimental philosophy, in three books containing new experiments microscopical, mercurial, magnetical : with some deductions, and probable hypotheses, raised from them, in avouchment and illustration of the now famous atomical hypothesis / by Henry Power ... Power, Henry, 1623-1668. 1664 (1664) Wing P3099; ESTC R19395 93,498 218

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of mine having pil'd up many Cart-loads of these Brass-lumps in a Barn of his for some secret purposes of his own the Roof letting rain-water fall copiously in amongst them they all began to smoak and at last to take fire and burnt like red hot Coals so that the Town was in an uproar about quenching of them and one thing further I took special notice of in this unlucky Experiment that the Water which drained from the quenching of them left little pieces and Crystals of Copperase sticking all along to the Piles of Grass that grew in the Croft it run down Thus Antimony and Sublimate being mixed together will grow so hot the one relaxing the fermenting spirit in the other that they are not to be touched Thus in the Corrosion of Mettals by Aqua fortis what a strong heat is there in the Liquor and what a steam constantly evaporates during their fermentation In the Commixtion of Oyl of Vitriol with Oyl of Tartar per deliquium what a violent heat and effervescence do presently arise besides a sharp and acrimonious vapour that strikes our nostrils Nay and we see our Subterraneous Damps do sometimes with intermixtion with the moist Air grow to that over-height of fermentation that they fire of themselves and strike down all before them Thus the Spirit of Niter mixed with Butter of Antimony grows so hot that it is ready to rise in a flame Thus certainly do all Baths receive their heat from Mineral Vapours or the Minerals themselves being in solutis Principiis and so the fermenting Spirit sets a playing in them as the Learned Doctor Jordan did most rationally conjecture This universal fermenting Spirit does not onely play these feats in the Mineral but also operates in the same manner in the Vegetable Kingdome which we ocularly behold in the Artifice of Malt where the Grains of Barly being moistned with water the parts are relaxed the internal Spirits in them are dilated and put into action and the superfluity of water being removed which might choak it and the Barly being layd up in heaps the fermentation and heat presently appears with a kind of vinous steam and effluviums which passe from it and therefore it shoots forth into Spires Thus we see in wet-Hay how the spirits work not onely to a heat but if they be not cooled and prevented by Ventilation they break out into a flame also Nay in all Vegetables there is this constant Heat though it be below our Sensation as it is in some Fishes and colder Animals also and a constant steam and transpiration of particles as we have experimentally proved in our XXV Observation And now let us pursue these Spirits into the Animal Kingdom and we shall see that they have the like effects and operations there also as is formerly observed onely being there in greater plenty and more purely refined and in a constant state of Fusion and Volatility they work nobler effects Now the Spirits that are lodged in all the meats and drinks we receive being more or less fixed therein What does the Soul but like an excellent Chymist in this internal Laboratory of Man by a fermentation of our nourishment in the stomach and guts a filtration thereof through the Lacteae a digestion in the Heart a Circulation and Rectification in the Veins and Arteries what does she I say by these several Physico-Chymical operations but strive all this while to unfix exalt and volatilize the Spirits conteined in our nutriment that so they may be transmitted to the Brain and its divarications and in that reconditory kept and reposited for her use and service So that these we now call Animal Spirits are the purest subtlest and most volatile particles and activest Atoms of the bloud which by continual pulsation of the Heart are carried with the bloud by the carotidal Arteries up into the Brain and there by that lax and boggy substance are imbibed and separated from the bloud and thence by the Spinal Marrow and Nerves transmitted to all the parts of the Body Now as the Chyle is perfected in the stomach and guts and their appendent Vessels the lacteal Veins and as the bloud is perfected in the Heart and it s annexed Vessels the Veins and Arteries so the Animal Spirits are separated preserved and perfected in the Brain with its continued trunk and branches viz. the Spinal Marrow Nerves and Fibers for the uses hereafter to be declared Now the two former Liquors the Chyle and the Bloud because of their grosser liquidity need to be conveyed in hollow Pipes and Channels viz. the Veins and Arteries but the Spirits which is the quintessence of them both can easily pass by a swift filtration through the Brain Spinal Marrow and Nerves Membranes and Fibers which are as it were the Cords Sayls and Tackling to move this Engine or Vessel we call the Body Nay though we can give you no sensible eviction of it Why may not all those long filaments of which the substance of the Brain Spinal Marrow and Nerves consists be tubulous and hollow so that the animal-Animal-Spirits may be channelled through them as the bloud through the Veins and Arteries I am sure we see by Observation xxxi and L. what infinitely small filaments and vessels there are in Animals and yet all tubulous and perforated so that the suddain inflation of all those capillary threads or pipes may serve for Motion of the Body and the constant though flower filtration of the Spirits through their Coats and Cylindrical Membranes may serve for Sensation So that it seems this Cottage of Clay with all its Furniture within it was but made in subserviency to the Animal Spirits for the extraction separation and depuration of which the whole Body and all the Organs and Utensils therein are but instrumentally contrived and preparatorily designed Just as the Chymical Elaboratory with all its Furnaces Crucibles Stills Retorts Cucurbits Matrats Bolt-heads Pelicans c. were made for no other end by the ingenious Chymist than for the extraction and depuration of his Spirits and Quintessences which he draws from those Bodies he deals with in the obtainment of which he hath come to the ultimate design of his indeavours Now as in Minerals and Vegetables the colluctancy of these fermenting Spirits with the grosser matter does both create a constant heat and evaporation of Atoms So in Animals the like is more eminently conspicuous to wit the vital heat or calidum innatum and those fuliginous effluviums which pass constantly out of us by insensible transpiration which Sanctorius hath proved to exceed the bulk and weight of all our sensible Evacuations whatsoever Having thus demonstrated how the Soul obtains these Spirits after her several operations of Digestion Chylification Sanguification Circulation c. the like now let us see what use she makes of so pretious a substance First therefore we affirm that this thin and spirituous matter which is called the Animal Spirits is the immediate Instrument of the Soul in