Memoir of Thomas Drummond, R.E.,F.R.A.S., Under Secretary to the Lord Lieutenant of Ireland, 1835-1840 |
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Page 35
... considered the foundation - stone of his future scientific fame . After leaving the academy , he still continued his intercourse with his mathematical masters , with whom he formed a friendship which only terminated in his much ...
... considered the foundation - stone of his future scientific fame . After leaving the academy , he still continued his intercourse with his mathematical masters , with whom he formed a friendship which only terminated in his much ...
Page 95
... considered to be the inventor of the compensation bars . " * And this early repute seemed to be confirmed by Sir John Her- schel in his " Familiar Lectures on Scientific Subjects " ( p . 187 ) , published in 1866 , in which the whole ...
... considered to be the inventor of the compensation bars . " * And this early repute seemed to be confirmed by Sir John Her- schel in his " Familiar Lectures on Scientific Subjects " ( p . 187 ) , published in 1866 , in which the whole ...
Page 103
... considered a new apparatus necessary . He resolved to adopt the compensation principle , and devised the form . He first satisfied himself the principle was sound , and tested the mechanical difficulties , which , he found , were all ...
... considered a new apparatus necessary . He resolved to adopt the compensation principle , and devised the form . He first satisfied himself the principle was sound , and tested the mechanical difficulties , which , he found , were all ...
Page 107
... considered indispensable that this portion should be measured twice . On the first occasion * It appears from the official account that this visit was paid on the 13th September 1827 , a few days after the measurement com- menced ...
... considered indispensable that this portion should be measured twice . On the first occasion * It appears from the official account that this visit was paid on the 13th September 1827 , a few days after the measurement com- menced ...
Page 127
... considered matter of regret with its projector it has dropped ; but if it be practicable , ingenuity will , doubtless , sooner or later , be directed to render it available , and the Drummond light may yet cheer the home - bound mariner ...
... considered matter of regret with its projector it has dropped ; but if it be practicable , ingenuity will , doubtless , sooner or later , be directed to render it available , and the Drummond light may yet cheer the home - bound mariner ...
Other editions - View all
Memoir of Thomas Drummond, R. E. , F. R. A. S. , Under Secretary to the Lord ... John Ferguson McLennan No preview available - 2020 |
Memoir of Thomas Drummond, R. E., F. R. A.S., Under Secretary to the Lord ... John F. M'lennan No preview available - 2016 |
Common terms and phrases
apparatus appears appointed Argand Argand burner Argand lamp assizes became Bill boroughs Captain Catholics chief Colonel Colby compensated points constabulary course crime Crown directed districts Drum Drummond light Dublin duties Edinburgh effect engaged England English Excellency experiments favour force Government heliostat honour House improvement inquiry interest Ireland Irish juries jurors justice King labour land landlords Larcom letter light lighthouse Lord John Russell Lord Lieutenant Lord Melbourne Lord Morpeth Lord Normanby Lough Foyle magistrates Maziere Brady measuring bars ment mond Morpeth mother object observation occasion officers Orangemen Ordnance Survey organisation outrages Parliament party passed persons police political population present principle proceedings Protestant question railways reflector Reform regard respect result Ribandism Roden Committee says Secretary Sir John society Survey tanistry tenants Thomas Drummond tion Tipperary triangulation Trinity House whole Woolwich Woulfe