Metallurgic Chymistry. Being a System of Mineralogy in General, and of All the Arts Arising from this Science. To the Great Improvement of Manufactures, and the Most Capital Branches of Trade and Commerce. Theoretical and Practical. In Two Parts. Translated from the Original German of C. E. Gellert, by I. S. With PlatesT. Becket, Adelphi, Strand, bookseller to their Royal Highnesses the Prince of Wales, Bishop of Osnaburgh, Prince William, and Prince Edward., 1776 - Chemistry - 413 pages |
Common terms and phrases
alembic aquafortis aquaregis arfenic Athanor becauſe befides bifmuth bodies borax calcareous calcareous earth calcined called calx chymical cinnabar cobalt colour common falt confequently confifts contained copper crucible cryſtals degree deſtroyed diffolve metals diftilled eaſily evaporated falt armoniac falt-petre fame fand fcoria femi-metal feparated filver firft firſt fixed alcaline falt fmall foffil folution fome fometimes foon fpirit of common ftones fubftance fublimed fuch fufible fufion fulphur fumes furnace gentle heat glafs glaſs increaſe iron itſelf laft lead lefs likewife liquor lytharge melted mercury metalline Method mineral mixed mixture moſt muft muſt nitre Obfervation obtained oil of vitriol particles phlogifton pound weight powder precipitated Procefs PROCESS pyrite quantity raiſed reafon regulus of antimony retort rife ſeparated ſmall ſtones ſtrong fire ſubſtance tartar thefe themſelves therewith theſe thofe thoſe uſe veffel vegetables vinegar vitriolic acid volatile alcali volatile alcaline falt zinc
Popular passages
Page 55 - Ed. 1776.), where the mercury lies in an earth or ftone, as if it were in a dead form ; and has the appearance of a red-brown iron-ftone ; but it is much heavier- than that. It contains from...
Page 357 - Brafs is frequently made by cementing plates of copper with calaminet where the copper imbibes one-fourth princes-metal, tombac, bell-metal, 'white-copper, &c. If the mixture is made of four to fix parts of copper, with one part of zinc, it is called Princess-metal.
Page 193 - ... of the procefs, we are prefented with the following OBSERVATION. « Though it is true that this fixed alcaline fait arifes partly from the coals burnt off with it; yet when [it is...
Page 203 - Here the wonder, excited in the preceding obfervation, ceafes at once ; and 'we now find that the fixed alcali, which appears after this operation, actually exifted in the faltpetre, and •was probably added to it, before the procefs commenced.
Page 184 - ... symbols for some substances that are completely insoluble in the substances represented at the head of the column, except that where silver is given as completely insoluble in fixed alkali Gellert adds the note ' yet this but partly in the dry way '. Also in his remarks on the table Gellert says that ' it is a matter of great difficulty, chiefly in the dry way, to ascertain the order in which bodies may be dissolved ; whence it must needs remain liable, here and there, to some objections. Nevertheless...
Page 56 - For as microfcopes magnify no farther than to a certain degree, and as we do not know the ultimate divifibility of mercury, we cannot juftly determine the point of its fluidity, although its...
Page 30 - When broken it looks as if its whole texture was a compound of loofe cubical grains.
Page 57 - ... and earths by fire. This ore has indeed its own regular veins like other minerals...
Page 323 - The hotter the fteel is when tempered^ and the colder the water, the greater hardnefs it will acquire.