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" ... with soda is put into an acid. It has evidently not been intended to enumerate all the means by which the presence of each acid in the soda bead could be perceived or established. Little has been said beyond what appeared required and sufficient.... "
Chemical Manipulation: Being Instructions to Students in Chemistry on the ... - Pagina 116
door Michael Faraday - 1842 - 664 pagina’s
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The Technical repository, by T. Gill, Volume 3

Thomas Gill (patent-agent) - 1823
...has been said beyond what appeared required, and sufficient. ON THE PREPARATION OF SMALL PLATES OF CLAY. by blows with the hammer, between the fold of...long, and two and a half tenths of an inch wide; and then hardened in the fire, in a tobacco-pipe. They are very useful additions to the blow-pipe apparatus....
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Annals of the Lyceum of Natural History of New York, Volume 1

1824
...clay "are formed by extending a white refractory clay, by blows with the hammer, between the folds of a piece of paper, like gold between skins. The clay and paper are then cut together with scissors," " into very acute triangles," affording a substitute for Saussure's sappare. 2d. Or a very...
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Annals of the Lyceum of Natural History of New-York, Volume 1

1824
...clay "are formed by extending a white refractory clay, by blows with the hammer, between the folds of a piece of paper, like gold between skins. The clay and paper are then cut together with scissors," " into very acute triangles," affording a substitute for Saussure's sappare. 2d. Or a very...
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James Smithson and His Bequest

William Jones Rhees - 1880 - 68 pagina’s
...beyond what appeared required and sufficient. Mention has been made above of small plates of clay. They are formed by extending a white refractory clay...then cut together with scissars into pieces about 4-lOths of an inch long, and 2J-10ths of an inch wide, and hardened in the fire in a tobacco-pipe....
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James Smithson and His Bequest

William Jones Rhees - 1880 - 68 pagina’s
...beyond what appeared required and sufficient. Mention has been made above of small plates of clay. They are formed by extending a white refractory clay...then cut together with scissars into pieces about 4-10ths of an inch long, and 2-10ths of an inch wide, and hardened in the fire in a tobacco-pipe....
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Smithsonian Miscellaneous Collections, Volume 21

Smithsonian Institution - 1881 - 68 pagina’s
...beyond what appeared required and sufficient. Mention has been made above of small plates of clay. They are formed by extending a white refractory clay...then cut together with scissars into pieces about 4-lOths of an inch long, and 2J-10t.hs of an inch wide, and hardened in the fire in a tobacco-pipe....
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Smithsonian Miscellaneous Collections, Volume 21

1881
...beyond what appeared required and sufficient. Mention has been made above of small plates of clay. They are formed by extending a white refractory clay...then cut together with scissars into pieces about 4-10ths of an inch long, and 2-10ths of an inch wide, and hardened in the fire in a tobacco-pipe....
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