 | 1832 - 650 pages
...mercury, and agitated in an iron, or thick wooden box, till cold. It is then to be reduced to very fine powder in a mortar, and mixed with a sufficient quantity of hog's lard to form it into a paste. When amalgams have a large proportion of mercury, their action... | |
 | Peter Mark Roget - Electricity - 1832 - 324 pages
...mercury, and agitated in an iron, or thick wooden box, till cold. It is then to be reduced to very fine powder in a mortar, and mixed with a sufficient quantity of hog's lard to form it into a paste. When amalgams have a large proportion of mercury, their action... | |
 | 1841 - 488 pages
...of mercury, and agitated in an iron or thick wooden box until cold. It is then reduced to а verу fine powder in a mortar, and mixed with a sufficient quantity of lard to form it into a paste. The rubber is supported on a glass pillar, similar to the prime conductor,... | |
 | Richard Green Parker - Physics - 1838 - 266 pages
...mercury, and agitated m an iron, or thick wooden-box, until cold. It is then tobe reduced to a very fine powder in a mortar, and mixed with a sufficient quantity of lard to form it into a paste. t The electrical machine described in Fig. 119 is a plate macbine, and an... | |
 | Richard Green Parker - Physics - 1849 - 418 pages
...mercury, and agitated in an iron, or thick wooden box, until cold. It is then to be reduced to a very fine powder in a mortar, and mixed with a sufficient quantity of lard to form it into a paste. 264. For what purpose is the electrical machine constructed? Upon what principle... | |
 | Richard Green Parker - Physics - 1850 - 408 pages
...mercury, and agitated in an iron, or thick wooden box, until cold. It is then to be reduced to a very fine powder in a mortar, and mixed with a sufficient quantity of lard to form it into a paste. 264. For what purpose is the electrical machine constructed? Upon what principle... | |
 | John Henry Pepper - Science - 1851 - 640 pages
...should be added six parts of mercury. These should be stirred about till quite cold, and then reduced to a fine powder in a mortar, and mixed with a sufficient quantity of Itird t» forma thickish paste. When all is done, the machine is complete. ushion THE CONDUCTOR. The... | |
 | John Johnston - Physics - 1854 - 420 pages
...in four or five parts of mercury. When cold it is to be ground to MUMF.QRD St. Electrical Machine. * a fine powder in a mortar, and mixed with a sufficient...order that electricity may be freely developed by thp machine, the rubbers must not be insulated, as, in this case, while the prime conductor becomes... | |
 | Richard Green Parker - Electricity - 1856 - 502 pages
...mercury, and agitated in an iron or thick wooden box, until cold. It is then to be reduced to a very fine powder in a mortar, and mixed with a sufficient quantity of lard to form it into a paste. The glass surface js made either in the form of a cylinder or a circular plate,... | |
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Singer, is made by melting together one ounce of tin and two ounces of zinc, which are to be mixed, while fluid, with six ounces of mercury, and agitated in an iron, or thick wooden box, until cold. It is then to be reduced to... 
