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Art. 35. Elegiac Tears, or Plaintive Epiflles; being a poetical
Translation of the Rev. Mr. Cotton's Elegiacæ Lachrymæ, &ve:
This performance, which, following the Latin, is uncoathly called Elegiac Tears, is a translation of the foregoing article, and is executed with different merit, being in fome places agreeable enough, and in others very indifferent. The verfion of the Latin passages we have quoted will serve as a specimen :
My Cath'rine's dear idea I survey,
Oft vernal lawns and fields forlorn I tread,
While panting bofoms mark'd our flow of soul!
RELIGIOUS and CONTROVERSIAL.
Adam; and of his Recovery' by Jefus Chrifl, the second Adanto
An excellent Narcaric !
Octagon in Liverpool. 8vo. 6d. Keith.
and learned Mr. Ralph Erskine, Minister of the Gospel in Duma
identical Mr. Ralph Erskine, who wrote the famous Gospel-Sonnets, (which are re-printed in this edition) any farther information will, perhaps, be deemed needless. But fome, peradventure, will fay that they are unacquainted with those sonnets : for the satisfaction of fuch, therefore, we shall here give a specimen of them, from the Believer's Espousals.
From the description of the situation of Christ's intended BRIDE, wbile under the workings of the spirit :
She, with a hell-deserving conscious breaft,
And lays her broken bones down at his door. Notwithstanding this unfavourable picture of the spouse, we find it was a match, at last; and thus the sonnet on the nuptials begins:
Thus doth the Husband, by his father's will,
In her, as 'tis a rule of life to men.
MISCELLANEOUS. Art. 39. The Life and Opinions of Tristram - Shandy, Gentleman.
Vol. IX. Small 8vo. 2s. 68. Durham, &c. Not genuine ; but not so ill counterfeited, as were some of the former imitations of Mr. Sterne's truly original manner. On the whole, it fhould seem that Tristram's hobby-horse will carry nobody fo freely and easily as he carries his matter. Art. 40. The Doétrine of Gold and Silver Computations; in which
is included, that of the Par of Money; the Proportion in Value between Gold and Silver; and the Valuation of Gold, Silver, Parting, Asays: With useful Tables and Copper-plates. By Thomas Snelling. 8vo. 45. few'd. Snelling. The curious and useful subjects above-mentioned seem to be treated with great accuracy, by Mr. Snelling ; who is allowed to be very conversant in them: fee also bis History of the Silver Coinage, mentioned in the Review for March, 1762; and his View of the Gold Coinage, Rev, Vol. XXVIII. p. 402.
SERMONS 1. The Neceffity of immediate Attention to the CALLS of God.—OA New-year's-day, 1766, at Wareham in Dorsetshire. By S. Reader. Dilly.
II. The Blefjedness of those who die in the Lord.-Ac Hammersmith, on the Death of Richard Coope, Esq; By George Turnbull. Dilly.
N. B. Some other Sermons have been published this month ; for which we must refer to a future list : one or two of them will deserve peculiar notice.
Τ Η Ε
For M ARCH, 1766.
Commercium Philosophico-Technicum ; or the Philosophical Commerce
of Arts : designed as an Attempt to improve Arts, Trades, and Manufaliures. By W. Lewis, M. B. and F.R.S. Parts 2, 3, and 4*. 4to. Willock.
T is particularly essential to the health, well-being, and vi
nufactures flourish, that the various springs and movements of our internal traffic be easy and commodious, and that the great cir
culation of our foreign commerce be free, full, and uninter: rupted, even 'in its remote branches.-Every scheme therefore
which is judiciously designed and happily executed, so as to accomplish any of these important ends, will at the same time enrich the individual, and add strength and power to the state.
The Commercium Philosophico-Technicum of Dr. Lewis is a very valuable work; calculated to ascertain the principles and elements of the several arts; to make them more compleatly, universally, and practically understood; and to open a wide field, for the entertainment and improvement both of the philosopher and the artist. It is evident, that many arts are naturally and strongly connected : the properties of one set of materials, or the production of one effect, frequently influences a number of arts: a colour, which may easily be fixed in animal and vegetable fibres, is equally advantageous to the woollen-dyer, the silk-dyer, the dyer of linnen and cotton thread, and the callico printer ; and a colour which will bear fire, and unite with vis treous bodies in fufion, equally interests the glass-maker, the enameller, and the painter on porcelain.-To examine therefore the chemical properties of any one subject; to consider its many uses and applications; experimentally to inquire into the difftrent means of producing one effect; and to trace such effect through the several arts in which it is required ; is to prosecute the most useful and rational plan for establishing the solid prin
Şce our account of the firit part, Review, Vol. XXIX.
ciples ciples of arts.—The artist is hence enabled to supply his de. fects, to multiply his resources, to simplify and forward many complex procefies, to enrich one branch with the practices, materials, and sometimes even the refuse matters of another, and thus to form a happy intercourse, and Philosophical Commerce of Arts,
The French Academy, with the advantage of experienced artists in the different departments, and honoured with the encouragement of the sovereign, have long been engaged in compiling materials for a history of arts : lome of these materials have lately been digested, and published in the following manner: each history forms a separate and independent work, containing a minute detail of the whole series of operations relative to one art, with descriptions and plates of all the inftru ments made use of in such art. – A work executed upon this plan, is very obviously different from that of Dr. Lewis; and the historian of the academy, in giving notice of their publication, bears a sensible and honourable testimony to the advantages which are peculiar to the Plan of the Commercium PhilofophicoTechnicum. • An inconvenience to be feared, says he, is the want of that knowlege, and of those general principles, which bind arts as it were together, and establish between them a reciprocal communication of light. All the arts, for example, that employ iron, have common principles, but it would be in vain to expect the knowlege thereof from those who exercise these arts, each of whom knows only the application of those principles to his own art. The farrier, the locksmith, the cutler, know how to work iron; but each of them knows only the manner of working which he has learnt, and is perfectly ignorant that the art of working iron has general principles, which would be infinitely useful to hiin in a great number of unforeseen cases, to which his common praEtice cannot be applied. It is only by bringing the arts as it were to approach one another, that we can make advances towards their perfection : we shall thus put them in a condition of mutually illustrating each other, and perhaps of p'oducing a great number of useful discoveries : it is only by this means that we can know effectually their true principles, and enable them to receive afstance from theory.'
In prosecution of this excellent design, Dr. Lewis now enters upon the History of Colours.--Black is the subject of his present inquiries; and, after fome general observations on black coJours, he proceeds to the chemical history of those subjects, which are fitted to produce this effect in the different arts. The order is as follow's:
1. Native black colours :- these are, black chalk, pitcoal, black sands, black vegetable juices, cuttle-fish ink.
2. Blacks the Product of the fire :- under this head comey charcoal blacks, foot blacks, black metallic calces.
3. Blacks obtained by mixture :-of which kind are, black from iron, black from fílver, and black from lead and fulphur.
Our Author's experiments, observations, and conclusions, relative to the above particulars, are curious, accurate, and useful.-To enter into a detail of these, would swell this are ticle to an undue bulk; we shall confine ourselves therefore to what he says
Of Black produced from Iran, The infusions of certain vegetable aftringents, mixed with green vitriol, which is a solution of iron in the vitriolic acid, produce a deep black liquor, of most extensive use for dying and itaining black. The aftringent substances chiefly employed are the excrescences of the oak-tree, called galls, and of these the Aleppo galls are deemed the best ; all the parts of the oak, tree, the leaves, acorns, and more particularly the bark and wood; other vegetable substances likewise, the leaves, small branches, and flowery clusters of the sumach-tree; balaustine dowers, pomgranate peel, alder bark, biftort root; and in ge. neral all those which are austere, astringent, or corrugating to the taste, are possessed of the same virtue with galls : the power by which there substances strike black with vitriol, and their altringency, are proportional to one another, and seem to de. pend upon one and the same principle. Of the other properties of this aftringent and colouring matter, little more is known, than that it is diffolveil and extracted both by water and spirit of wine, and that it does not exhale on the evaporation of the menftruum,
• When a decoction, says Dr. Lewis, or infusion of the galls, is dropt into a solution of the vitriol largely diluted with water, the first draps produce bluish or purplish red clouds, which foon mingling with the liquor, ringe it uniformly of their own bluish or reddish colour. It seems to be on the quality of the water that this difference in the colour depends. With distilled water, or the common spring waters, the mixture is always blue. If we previously diffolve in the water the most minute quantity of any alkaline salt, too small to be discoverable by any of the common means by which waters are examined, or if the water is in the least degree putrid, the colour of the mixture proves purple or reddith. Rain-water caught as it falls from the clouds in an open field, in clean vessels, gives a blue, but such as is callected from the tops of houses, grows purple with the vitriol and galls; from whence it may be presumed, that this laft has contracted a putrid tendency, or received an alkaline impreg