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" ... also a number of small rings of fine brass wire made in the manner first mentioned by Mr. Lewis, by appending a weight to the wire, and coiling it with the tension of that weight round a thicker brass wire in a close spiral, after which the extremity... "
Chemical Manipulation: Being Instructions to Students in Chemistry on the ... - Pagina 61
door Michael Faraday - 1842 - 664 pagina’s
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James Smithson and His Bequest

William Jones Rhees - 1880 - 282 pagina’s
...surface of the table only one and a half or two-tenths of an inch, so that the beam is very limited io its play. The weights I use are one globule of gold,...another as can be desired. Those I use happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains ; but 1 have others much lighter. You will...
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James Smithson and His Bequest

William Jones Rhees - 1880 - 296 pagina’s
...and a half or two-tenths of an inch, so that the beam is very limited in* its play. Ijff 90 765432 The weights I use are one globule of gold, which weighs...another as can be desired. Those I use happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains ; but 1 have others much lighter. You will...
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James Smithson and His Bequest

William Jones Rhees - 1880 - 294 pagina’s
...surface of the table only one and a half or two-tenths of an inch, so that the beam is very limited ia its play. The weights I use are one globule of gold,...stroke, and find them as exactly equal to one another as cao be desired. Those I use happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains;...
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James Smithson and His Bequest

William Jones Rhees - 1880 - 292 pagina’s
...that the beam is very limited in its play. 0\ The weights I use are one globule of gold, which weigh* one grain ; and two or three others which weigh one-tenth...another as can be desired. Those I use happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains ; but 1 have others much lighter. You will...
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James Smithson and His Bequest

William Jones Rhees - 1880 - 290 pagina’s
...after which the extremity of the spiral being tied hard with waxed thread, I put the covered wirein a vice, and applying a sharp knife which is struck...hammer, I cut through a great number of the coils at onestroke, and find them as exactly equal to one another as can be desired. Those I use happen to be...
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Smithsonian Miscellaneous Collections, Volume 21

Smithsonian Institution - 1881 - 834 pagina’s
...two or three others which weigh one-tenth of a grain each ; and also a number of small rings of tine brass wire made in the manner first mentioned by Mr....another as can be desired. Those I u'se happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains ; but 1 have others much lighter. You will...
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Smithsonian Miscellaneous Collections, Volume 21

1881 - 856 pagina’s
...each ; and also a number of small rings of fine brass wire made in the manner first mentioned by Air. Lewis, by appending a weight to the wire, and coiling...another as can be desired. Those I use happen to be the l-30th part of a grain each, or 300 of them weigh 10 grains ; but 1 have others much lighter. You will...
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The Development of Chemistry, 1789-1914: Chemical manipulation

David M. Knight - 1998 - 692 pagina’s
...They rise above the surface of the table only 1 $ or 2 tenths of an inch, so that the beam is very limited in its play. The weights I use are one globule...applying a sharp knife, which is struck with a hammer, 1 cut through a great number of the coils at one stroke, and find them as exactly equal to one another...
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