The British encyclopedia, or, Dictionary of arts and sciences, Том 3C. Whittingham, 1809 |
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... experiments , The purest gold , of 24 carats , is calculated to produce the best effect with enamel . 1. Because it entirely preserves the metallic brilliancy , without undergoing any oxidation in the fire . 2. Being less fusible , it ...
... experiments , The purest gold , of 24 carats , is calculated to produce the best effect with enamel . 1. Because it entirely preserves the metallic brilliancy , without undergoing any oxidation in the fire . 2. Being less fusible , it ...
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... experiments have been made on the subject by Mr. Soen Rinman of the Royal Academy of Stockholm . The following compositions he found answer very well on copper . 1. The white semitransparent fluor spar and sulphate of lime in equal ...
... experiments have been made on the subject by Mr. Soen Rinman of the Royal Academy of Stockholm . The following compositions he found answer very well on copper . 1. The white semitransparent fluor spar and sulphate of lime in equal ...
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... experiment . He placed this colour on win- dow glass , and fired it very strongly and it did not change . He then covered some parts of it with minium , and again exposed it to the fire . The colours totally disappeared in those places ...
... experiment . He placed this colour on win- dow glass , and fired it very strongly and it did not change . He then covered some parts of it with minium , and again exposed it to the fire . The colours totally disappeared in those places ...
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... experiment . After being prepared in the above man- ner the ground is tied in a piece of lustring for use , and another piece of the same kind of silk must be made into a dabber by tying a quantity of cotton in it . The cop- per - plate ...
... experiment . After being prepared in the above man- ner the ground is tied in a piece of lustring for use , and another piece of the same kind of silk must be made into a dabber by tying a quantity of cotton in it . The cop- per - plate ...
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... experiment , and those are often varied in their results : as an illus- tration , we may suppose an artist provided with several pieces of copper granulated , and trying each successively by his watch with spirits of nitre diluted to ...
... experiment , and those are often varied in their results : as an illus- tration , we may suppose an artist provided with several pieces of copper granulated , and trying each successively by his watch with spirits of nitre diluted to ...
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acid angle animals appear applied axis birds body botany called calyx capsule centre circle class and order colour common considerable consists contain copper corolla degree denote diameter divided drupe earth ellipsis epact equal equation Essential character ether feet figure fire fish flowers fluid fluxion force four frustum genus give given glass globe gold grains ground half heat hence hermaphrodite horse hydrogen hydrometer inches insects iron Jussieu kind land length manner matter means ment metal Monogynia class motion muriatic acid Natural order nitric acid nouns observed oxide oxygen pass person petals piece plants plate produced proportion quantity raveline seeds shew ship side silver socage species specific gravity square substance sulphuric sulphuric acid supposed surface term thick thing tion trees tube tural uterus vessel weight whole zinc