The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, 4. kötetA. and C. Black, 1856 |
Részletek a könyvből
1 - 5 találat összesen 64 találatból.
14. oldal
... described later in his diary , he invented the balance spring , an improvement of the first importance in the art of time - keeping . Prior to this invention watches were regulated by increas- ing or relaxing the power of the mainspring ...
... described later in his diary , he invented the balance spring , an improvement of the first importance in the art of time - keeping . Prior to this invention watches were regulated by increas- ing or relaxing the power of the mainspring ...
17. oldal
... described as the conical pendu- lum . A small time - piece , to which this pendulum was attached , was exhibited before the Royal Scottish Society of Arts many years ago , by Mr Dickman , late watchmaker , Leith . This pendulum , being ...
... described as the conical pendu- lum . A small time - piece , to which this pendulum was attached , was exhibited before the Royal Scottish Society of Arts many years ago , by Mr Dickman , late watchmaker , Leith . This pendulum , being ...
18. oldal
... described his discovery of the rising of fluids in capillary tubes . He also discovered that mercury was not subject to the same law , but was de- pressed in tubes in the ratio of their diameters . He also here hinted , what was ...
... described his discovery of the rising of fluids in capillary tubes . He also discovered that mercury was not subject to the same law , but was de- pressed in tubes in the ratio of their diameters . He also here hinted , what was ...
20. oldal
... described many instruments . The most im- portant is one which has since his days been the constant com- panion of the mariner , the quadrant . Invention with Hooke seems almost the pabulum of his life ; there is no forcing , no labour ...
... described many instruments . The most im- portant is one which has since his days been the constant com- panion of the mariner , the quadrant . Invention with Hooke seems almost the pabulum of his life ; there is no forcing , no labour ...
21. oldal
... described to the Royal Society of Edinburgh , in which the marker or pencil exerted a continuous friction , thereby constraining the free action of the mercury in its tra- vels in the tube . But Hooke suggested punches indicating that ...
... described to the Royal Society of Edinburgh , in which the marker or pencil exerted a continuous friction , thereby constraining the free action of the mercury in its tra- vels in the tube . But Hooke suggested punches indicating that ...
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