The British encyclopedia, or, Dictionary of arts and sciences, Volume 3C. Whittingham, 1809 |
From inside the book
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... taken , by way of example , of fixing a transparent blue enamel upon gold of 22 carats . The artist begins his operation by break . ing his enamel into small pieces in a steel mortar , and afterwards pulverizing it in a mortar of agate ...
... taken , by way of example , of fixing a transparent blue enamel upon gold of 22 carats . The artist begins his operation by break . ing his enamel into small pieces in a steel mortar , and afterwards pulverizing it in a mortar of agate ...
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... taken out by long spring pincers . The work is placed as near as possible at the farther extremity of the muffle ; and as soon as the artist per- ceives a commencement of fusion , he turns it round with great delicacy , in order that ...
... taken out by long spring pincers . The work is placed as near as possible at the farther extremity of the muffle ; and as soon as the artist per- ceives a commencement of fusion , he turns it round with great delicacy , in order that ...
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... taken out , the engine cleared , and enclosed again in a very short time , even when the engine is in use , if found necessary . The two upper valves , p q , and chamber , K , can also be cleared with equal ease , by screwing out the ...
... taken out , the engine cleared , and enclosed again in a very short time , even when the engine is in use , if found necessary . The two upper valves , p q , and chamber , K , can also be cleared with equal ease , by screwing out the ...
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... taken in sharpening it , that the original general form should be pre- served , by laying the sides flat upon the oil- stone , and rubbing them so as not to round them in the least , after which the graver is to be held sloping towards ...
... taken in sharpening it , that the original general form should be pre- served , by laying the sides flat upon the oil- stone , and rubbing them so as not to round them in the least , after which the graver is to be held sloping towards ...
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... taken place : it will be necessary to strengthen the water as the work becomes nearer completion , but cautiously , lest the ground should be broken ; and every time the aqua fortis is removed the plate must be washed with clean water ...
... taken place : it will be necessary to strengthen the water as the work becomes nearer completion , but cautiously , lest the ground should be broken ; and every time the aqua fortis is removed the plate must be washed with clean water ...
Common terms and phrases
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