Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
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Pagina 21
... amount of skill in handling it , which they find abundant leisure to improve in the early times of their practice . " There are now many good instruments among us in the hands of those who know how to use them , and many of the highest ...
... amount of skill in handling it , which they find abundant leisure to improve in the early times of their practice . " There are now many good instruments among us in the hands of those who know how to use them , and many of the highest ...
Pagina 38
... amount of bevel are capable of effecting the most delicate gradation from one end of the stick to the other ; and in this respect , as indeed in every other , the work of the machine exceeds in accuracy that of the ordinary tools ...
... amount of bevel are capable of effecting the most delicate gradation from one end of the stick to the other ; and in this respect , as indeed in every other , the work of the machine exceeds in accuracy that of the ordinary tools ...
Pagina 44
... amount of steam , and the fire - box not being subjected to that violent heat , which has been the real difficulty with other engines for burning anthracite , is preserved , while it has been burned out in all other engines in a few ...
... amount of steam , and the fire - box not being subjected to that violent heat , which has been the real difficulty with other engines for burning anthracite , is preserved , while it has been burned out in all other engines in a few ...
Pagina 50
... amount of daily work and the same water , sixty pounds of scale had deposited . In both cases , the de- posit was more upon the sides than upon the bottom of the boiler , and much less than without the use of sal ammoniac . Mixture of ...
... amount of daily work and the same water , sixty pounds of scale had deposited . In both cases , the de- posit was more upon the sides than upon the bottom of the boiler , and much less than without the use of sal ammoniac . Mixture of ...
Pagina 51
... amount of the tension of the wire can be obtained , while the peculiar form of the truss - beam will cause any weight that may be brought on any part of the bridge , to communicate to all parts of the span . IMPROVEMENT IN COMMUNICATING ...
... amount of the tension of the wire can be obtained , while the peculiar form of the truss - beam will cause any weight that may be brought on any part of the bridge , to communicate to all parts of the span . IMPROVEMENT IN COMMUNICATING ...
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acid action alloxan ammonia amount animal apparatus appears atmosphere axis battery body boiler Bone phosphate British Association carbon carbonic acid cause cent chemical chloride coal color common containing copper cylinder deposits diameter earth effect electricity employed engines England exhibited experiments fact feet fibre fluid fluorides fossil glass guano gutta percha heat hydrochloric acid hydrofluoric acid hydrogen important inches increased invention iodine iron light lime liquid lower machine magnetism manufacture mass matter means metal metal leaf miles motion murexide natural nitric acid observations obtained operation ordinary oxide paper passed phosphorus plants plate potash pounds present pressure produced Prof proportion quantity recently remarkable rocks sal ammoniac salt ships Silurian solution species steam substance sulphur surface temperature tion Torbane tube vegetable vessel weight whole wire wood zinc