The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1870 |
Részletek a könyvből
1 - 5 találat összesen 32 találatból.
16. oldal
... machine every eighth day . Other dials show further : -The tides . The eclipses for all the world , both total and partial . At the hour when the sun or moon is eclipsed in the heavens , to the minute even , the sun or moon suffers ...
... machine every eighth day . Other dials show further : -The tides . The eclipses for all the world , both total and partial . At the hour when the sun or moon is eclipsed in the heavens , to the minute even , the sun or moon suffers ...
18. oldal
... machines are already taking the place of hand labour in mines , horses are being superseded by hauling machines , and the increasing extent of mines is drawing forth increasing means of ventilation . There is time enough and to spare ...
... machines are already taking the place of hand labour in mines , horses are being superseded by hauling machines , and the increasing extent of mines is drawing forth increasing means of ventilation . There is time enough and to spare ...
23. oldal
... machines upon a large scale ; but it is hard to say what results may yet be reached with an improved machine on strictly dynamical prin- ciples , because such a machine seems not tied in its results to any definite theoretical limits ...
... machines upon a large scale ; but it is hard to say what results may yet be reached with an improved machine on strictly dynamical prin- ciples , because such a machine seems not tied in its results to any definite theoretical limits ...
25. oldal
... machines of various kinds ; or third , practical essays on subjects connected with engineering , as , for instance , metal- lurgy . For approved original communications , the Council will MECHANICAL AND USEFUL ARTS . 25.
... machines of various kinds ; or third , practical essays on subjects connected with engineering , as , for instance , metal- lurgy . For approved original communications , the Council will MECHANICAL AND USEFUL ARTS . 25.
26. oldal
... Machines employed in Working and Breaking - down Coal , so as to avoid the use of Gunpowder . " 12. A Telford premium , in books , to Charles John Chubb , for paper " Coal- getting Machinery as a Substitute for the use of Gunpowder ...
... Machines employed in Working and Breaking - down Coal , so as to avoid the use of Gunpowder . " 12. A Telford premium , in books , to Charles John Chubb , for paper " Coal- getting Machinery as a Substitute for the use of Gunpowder ...
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