Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1863 |
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Seite iv
... machines in daily use , and would familiarize the more intelligent classes with objects on which at the present day we almost exclusively depend for the comforts and enjoy- ments of life . I do not mean that we should make scholars engi ...
... machines in daily use , and would familiarize the more intelligent classes with objects on which at the present day we almost exclusively depend for the comforts and enjoy- ments of life . I do not mean that we should make scholars engi ...
Seite xiii
... Machines working economically and rapidly , as compared with the old hand - break and " skutch , " or " swingle , " have been invented in great number and variety ; but no one of them has come into general , or even extensive use . The ...
... Machines working economically and rapidly , as compared with the old hand - break and " skutch , " or " swingle , " have been invented in great number and variety ; but no one of them has come into general , or even extensive use . The ...
Seite 17
... , stated that the most noticeable feature of the department of mechanical inventions in the Exhibition was , in his judgment , " that the machines were more compact and better constructed than at any previous 2 * 17 THE ...
... , stated that the most noticeable feature of the department of mechanical inventions in the Exhibition was , in his judgment , " that the machines were more compact and better constructed than at any previous 2 * 17 THE ...
Seite 18
... machine . American machines built in England are almost invariably better pieces of workmanship than their originals ; and an English mechanic seems never to use a piece of wood in mechanical construction if he can make iron avail- able ...
... machine . American machines built in England are almost invariably better pieces of workmanship than their originals ; and an English mechanic seems never to use a piece of wood in mechanical construction if he can make iron avail- able ...
Seite 19
... machine prominently exhibited which was not well known and in use in the United States for five , ten , fifteen , and even twenty years ( in one instance ) previously . And yet these machines - for want of any placard , or of any ...
... machine prominently exhibited which was not well known and in use in the United States for five , ten , fifteen , and even twenty years ( in one instance ) previously . And yet these machines - for want of any placard , or of any ...
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acetic acid action alumina ammonia amount aniline animals apparatus appear applied armor-plates astronomer atmosphere body British carbonic acid cast iron cent charcoal chemical cloth color comet containing copper degrees diameter discovery distance earth effect electric English engraving exhibited existence experiments explosion fact feet fibre force furnace heat hundred hydrochloric acid hydrogen inches increased iron lakes light lines liquid London machine magnetism manufacture mass matter ments metal metres miles minute motion naphtha nature nitric acid nitrogen observed obtained organic oxide oxygen paper passed phenomena phosphorus plants plates pollinia portion pounds present pressure produced Prof projectile quantity recently remarkable resistance rifled salt shell ship Shoeburyness shot side solar solid solution specimens spectrum stars steam steel stone strychnia substance sulphuric acid surface target temperature thallium thick tion tons tube vapor velocity vessel weight wrought iron
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Seite 140 - In this ascension, six pigeons were taken up. One was thrown out at the height of three miles ; it extended its wings and dropped...
Seite 171 - In order to explain,' he says, ' the occurrence of the dark lines in the solar spectrum, we must assume that the solar atmosphere encloses a luminous nucleus, producing a continuous spectrum, the brightness of which exceeds a certain limit. The most probable supposition which can be made respecting the sun's constitution is, that it consists of a solid or liquid nucleus, heated to a temperature of the brightest whiteness, surrounded by an atmosphere of somewhat lower temperature. This supposition...