fpar

The air has a manifefl a6bion upon the Derby/hire toadftonc, for it not only waftes away the fpar which is found hi the blebs of fome forts of toadftonc, but it reduces into a brownifh mould, fit for vegetation, the mod hard and compaft forts; the Vefuvian lava is fubjeft to the fame change from the operation of the fame caufc.

Chemical Essays. 1783

The fcoria, I ap - prehend, would be very little, even from a ton of ore, if the ore was quite free from fpar: it is the fpar which is mixed with the ore that con -

Chemical Essays. 1783

From Ais the earth may be feparated by the following pro - ccls: Pound the ponderous fpar, and mix it with twice its weight of fixed alkali j expofe this mixture to a firong red heat for about two hours.

The Economy of Nature Explained and Illustrated: On the Principles of Modern Philosophy. By G ... 1798

AVING contributed to bring into notice the mineral fubftance from the EafUIndiesi which is generally called adamantine fpar, I beg leave to lay before the Royal Society tho following account of its hiftory and introdu£kion.

A Journal of natural philosophy, chemistry, and the arts .. 1797

Dr. Black afcertained their being different from other ftones ob - ferved in Europe; and their hardnefs attached to them the name of adamantine fpar.

A Journal of natural philosophy, chemistry, and the arts .. 1797

As a requital of her kindnefs to the captivated maids, her life and the lives of her children were not only fpar - ed, but they were particularly recommended to the care of governor Winthrop.

A complete history of Connecticut, civil and ecclesiastical, from the emigration of its first planters from England, in MDCXXX, to MDCCXIII 1797

The main flreets are conveniently fpar cious, and moftly ornamented with trees in the fronts of the houfes, which are regularly arranged.

An historical, geographical, commercial, and philosophical view of the American United States 1795

Spec.grav. of a fpecinicn ot the grey kind, wiiich I tried, and wjs peneliatcd with fpar, was 2,701, of that examined by Briflbn, 2,7121.

Elements of Mineralogy: By Richard Kirwan, ... 1794

Exhibet illud. non irias illuftrium familiarum notitias fpar - tas, fed liber in prtmis XV et ultimus I Alarconiorum, ex qulbus heros ilie

Bibliotheca historica. A.I.G. Meuselio ita digesta ut pæne novum opus videri possit 1793

Accordingly, the only perfons of different fexes who enjoy any lhare of focial intercourfe, are fuch as ftand in the neareft degrees of confanguinity; a pleafure, how - ever, which is permitted even to them fpar - inglv and on rare occafions.

Travels round the world, in the years 1767, 1768, 1769, 1770, 1771 1791