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a fecid Oil, and fline Fæces. (5.) That fresh Urine inspiffated, and distilled with fixed Alkali, affords che fame. (6.) Thac recent U. rine inspiffated, and mixed with Quicklime, affords à fiery Spirit, but not alkaline. And, (7.) That a native Salt is procurable from U. rine, in the manner of the essential Salts of Vegetables, according to Process 7. .

PROCESS 99. is more than ordinarily trifling, a cho' set off with pompous Words ; as only shewing, that Milk by ftanding affords Cream, and turns four. PROCESS 100. shews that Urine by Di. 100

100, 101, gestion, or warm standing, turns alkaline ; and Process 101. that, by Distillation, it will now afford an alkaline Spirit; a fetid Oil, a volatile Salt, Phosphorus, and Sea-falt. . : PROCESS 102, relates the Origin and com- 102-108. mon Manner of making Sal-ammoniac in the sal. AmLevant; and also that it may be obtained from moniąc. Soot. Process 103. only thews that this Salt is neither acid, nor alkaline ; Process . 104. that it will sublime into Flowers ; Process 105. that mixed with Quicklime, it affords a fiery Spirit, as in Process 97. Process 106. thews that this Salt distilled with fixed Alkali, affords an alkaline Spirit, and a volatile Salt ; and Process 107. fhews what kind of Salt remained behind in the last. Process 108. fhews that a particular faline penetrating Spirit is producible, by mixing a pure alkaline Salt with strong Spirit of Vinegar.

PROCESS 109-113. are all performed up- 109--113. : on the White of Eggs; to shew, (1.) that the Whites of White of a new-laid Egg is neither acid, alka-888. fine, nor spirituous. (2.) That it will con



crete to a solid Mass, by the heat of boiling Water. (3.) That it will coagulate with Alcohol. (4.) That being boiled and distilled per fe, in a Bath-heat, it affords a large Proportion of an aqueous Liquor. And, (5.) That

being kept warm for a few days, it will putrefy.. 4--118. PROCESS 114-118. are performed upon Serum of the Serum of human Blood ; and shew, in the the Blood. manner already so often repeated, that, (..) Re.

cent Serum of human Blood, is neither acid,
nor alkaline. (2.) That it will putrefy by Di-
geftion, or warm standing, and turn to an Ichor.
(3.) That it will coagulate in boiling Water.
(4.) That it will coagulate or grow horny with
a dry Heat. And, (5.) That it will also co-

agulate with Alcohol..
o.' PROCESS 119. exhibits the Analysis of Blood,

by Distillation, to shew what Principles it will

resolve into by different degrees of Heat, 120. PROCESS 1:20, shews the Analysis of Hor

ses Hoofs ; in the manner already several times performed.

PROCESS 121. shews the Manner of depil121.

rating and separating the Principles, or diffe

rent Parts obtained from vegetable and animal . Substances by a dry Analysis, or scorching Heat.

PROCESS 122, shews that a kind of Soap, or 122.

the Offa Alba, may be made by mixing pure volatile Salt and Alcohol together.

Process 123, 124, and 125. shew the com123, 124, 125.

*mon Manner of making Sal Volatile Oleosum, the Simple the Compound, and the Particu. lar, by distilling Spirit of Wine from aromatic Ingredients, Sal-ammoniac, and Sals of Tartar : where a single Example might have been sufficient.


PROCESS 126. shews an extemporaneous Me. 126. thod of doing the same thing, by barely shaking Spirit of Wine, Salt of Tartar, Sal-ammoniac, and Aromaticks together,

These Processes upon Animals close with Process 127. which shews the Phænomena of 127, the Blood and Serum ; as exposed to the Air, and Fire; or mixed with Water, Salts, Acids, Alkalies, Spirits, Oils and Soaps.

The Processes 'upon Minerals, begin with Processes Salts; proceed to Sulphurs ; then to Me-upon Mitals; and end with Semi-metals. And of Salts nerals. the Author judges Nitre the properest to begin with.

The Processes therefore from 128-141. in-128--141. clusive, are all performed upon Nitre; and Processes Thew, (1.) the Way of trying this Salt; or that it "por

; upon Nitre. is naturally neither acid, alkaline, nor inflammable. (2.) The Way of purifying it by Solution in Water and Crystallization. (3.) How it may be changed to an Alkali, with Tartar and Fire. (4.) How the same may be done with live Wood-coals. (5.) How it is made into Sal Prunella, by Defiagration with a little Sulphur. (6.) How into Sal Polychrestus, with more Sulphur. (7.) The Way of preparing Glauber's Spirit of Nitre, by distilling the Sale with Oil of Vitriol. (8.) The Way of making Spiritus Nitri dulcis, with Glauber's Spirit of Nitre, and Spirit of Wine. (9.) The Way of regenerating Nitre from its own fixed Alkali, and Spirit ; barely by mixing the two together, with Water, and suffering the Solution tocrystallize.(10.) The Way of making a semivolatile Nitre, by using a volatile Salt instead of a fixed one; and proceeding as before. (11.) Glauber's Alcaheft, or the Oil of fixed Nitre per deliquium. (12.) Nitrum Ni


tratum, or Nitre impregnated, and made acid with its own Spirit. (13.) Vegetating Nitre, or the Caput Mortuum left in making Glauber's Spirit of Nitre, shewn to grow downy, or to sprout in the open Air : And, (14.) the common

Method of making Spirit of Nitre with Bole. 142--146. The Processes from 142, to 146, inclusive, Upon Sea-are performed upon Sea-falt; and shew, (1.) The fals.

Way of purifying this Salt, by Solution in Water, Filtration, and Crystallization. (2.) The Way of making Glauber's Spirit of Sea-salt, by distilling the Salt with Oil of Vitriol. (3.) The Way of obtaining its Spirit with Bole. (4.) Glauber's Sal Mirabile, by diffolving the Caput Mortuum, left in diftilling his Spirit of Sea-fált, and crystallizing the Solution. And, (5.) Seasalt regenerated from its Spirit and fixed Al


147. :

Process 147. shews how Sal-ammoniac may be regenerated, by pouring its Spirit to the

Spirit of Sea-falt. 148.

Process 148. shews the Method of making Tartar of Vitriol, with Oil of Vitriol and Oil of Tartar per Deliquium. And this concludes the Processes upon Salts. The next Set are perform'd

upon Sulphurs. 161. Process 149-161. inclusive, are all per149--161. Upon Sul- form'd upon common Brimstone; and shew, phur.

(1.) Its Nature, Disposition, and how it is to be examined. (2.) How sublimed by Heat in close Vessels into Flowers. (3.) How its acid Spirit is obtained by burning under a Glass Bell. (4.) How it may be diffolved by Distillation and Cohobation, with a volatile alkaline Spirit. (5.) How it may be diffolved in Alcohol, by means of fixed Alkali. (6.) How made into a Syrup, by the fame means. (7.) How diffolved by


boiling in expressed Oil. (8.) How diffolved by
boiling in æthereal Oil of Turpentine. (9.) Its
Balsam made into a Soap, aš in Process 73.
(10.) The Balsam br Soap of Sulphur joined
wich Alcohol. (11.) Sulphur obtained from Oil
of Turpencine and Oil of Vitriol, by Distilla-
ción. (12.) The same obtained from Alcohol..
and Oil of Vitriol, in the same manner. And
here end the Proceffe's upon Sulphur. We
next proceed to those upon Metals, and first
spon Iron.

PROCESS. 162-170: are all performed with 162-190. Tron; and shew, (1.) The Way of making the Upon Iron. Vitriol of Iron, with Oil of Vitriol, and Iron. filings. (2.) The tartarized Vicriol of Iron; by boiling the former with Tartar and Water. (3.) The Way of obtaining the white, grey and red Calx of Iron, by differently calcining the Vitriol of Iron. (4.) The Liquor of Iron per deliquium; by running the red Calx in the Air. (5.) The Yellow, or Golden Tincture of Vitriol of Iron, by digesting it with dulci

fied Spirit of Sea-falt. (6.) The Solution of I. Iron in Rbenish Wine, by digesting the Wine

upon Iron-filings. (7.) Iron dissolved by boil . ing in Vinegar. (8.) Iron sublimed with SalAmmoniac. And, (9.) Certain Tricks or Lutus, as the Author calls them; by applying Iron to Brimstone , so as to make them grow hot and take Fire, by mixing them into a Paste with Water, &c. · Process 171-179. are performed upon 191--179: Lead; and shew, (1.) The Method of making upon Leads Cerufe or white Lead, by suspending Places of the Metal in the Vapour of Vinegar. (2.) The Vinegar of Lead, by boiling Cerule in Vinegar., No. XIX. 1732.

C . . (3.) • Vol. IV.

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