The Columbian Cyclopedia, 第 10 卷Garretson, Cox, 1897 |
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... light on distant objects in the survey , and the result was the Drummond light : see DRUM- MOND LIGHT : also Philosophical Transactions , 1826. He in- vented a heliostat or reflecting mirror , described in the same paper . Experiments ...
... light on distant objects in the survey , and the result was the Drummond light : see DRUM- MOND LIGHT : also Philosophical Transactions , 1826. He in- vented a heliostat or reflecting mirror , described in the same paper . Experiments ...
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... LIGHT : brilliant light , practically applied by Capt . Drummond , R. E. ( see DRUM- MOND , THOMAS ) . The heat given out during the combus- tion of a mixture of hydrogen and oxygen gases , or of coal- gas and oxygen , is intense ; and ...
... LIGHT : brilliant light , practically applied by Capt . Drummond , R. E. ( see DRUM- MOND , THOMAS ) . The heat given out during the combus- tion of a mixture of hydrogen and oxygen gases , or of coal- gas and oxygen , is intense ; and ...
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... light . As minute portions of lime become detached and are volatilized from the spot on the lime on which the jet of burn- ing gases strikes , it is necessary to expose a new surface of lime to the gases , and for this pur- pose the ...
... light . As minute portions of lime become detached and are volatilized from the spot on the lime on which the jet of burn- ing gases strikes , it is necessary to expose a new surface of lime to the gases , and for this pur- pose the ...
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... light . DRY ROT : a kind of decay , often very rapid , to which timber is subject , without the presence of much moisture It has proved ruinous to many valuable edifices , and has caused many serious accidents . The ends of joists are ...
... light . DRY ROT : a kind of decay , often very rapid , to which timber is subject , without the presence of much moisture It has proved ruinous to many valuable edifices , and has caused many serious accidents . The ends of joists are ...
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... light - houses , one on Logger head Key , the other inside Fort Jefferson on Garden Key During the civil war these islands were used as a place of confinement for deserters , bounty jumpers , and persons under court - martial sentence ...
... light - houses , one on Logger head Key , the other inside Fort Jefferson on Garden Key During the civil war these islands were used as a place of confinement for deserters , bounty jumpers , and persons under court - martial sentence ...
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