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 51
... observations from both sides of the channel . The scheme was approved of by George III . , and the English Survey begun by the mea- surement of an initial base - line at Hounslow Heath by General Roy - the foundation of the ...
... observations from both sides of the channel . The scheme was approved of by George III . , and the English Survey begun by the mea- surement of an initial base - line at Hounslow Heath by General Roy - the foundation of the ...
Page 54
... observations , but the employment of immense personal energy . Captain , afterwards Colonel Colby , had by this time been long associated with Colonel Mudge in the survey , and possessed all the qualifications necessary for its delicate ...
... observations , but the employment of immense personal energy . Captain , afterwards Colonel Colby , had by this time been long associated with Colonel Mudge in the survey , and possessed all the qualifications necessary for its delicate ...
Page 55
... observation ; while others , through all weathers , kept by the theodolite , ready to avail themselves of every favour- able opportunity of observation . There is an admirable account of a surveying season in the Highlands in a letter ...
... observation ; while others , through all weathers , kept by the theodolite , ready to avail themselves of every favour- able opportunity of observation . There is an admirable account of a surveying season in the Highlands in a letter ...
Page 57
... observations , except occasionally for an hour or so after sunrise , and for a like period before sunset ; at which times , unless the summit of the mountain chances to be free from clouds and mist , nothing really valuable , in the way ...
... observations , except occasionally for an hour or so after sunrise , and for a like period before sunset ; at which times , unless the summit of the mountain chances to be free from clouds and mist , nothing really valuable , in the way ...
Page 60
... observation now enabled them to complete their observations on Corrie Habbie . So clear was the sky at this time , that one evening after sunset they saw the pile on Ben Nevis distinctly through the telescope , the distance being ...
... observation now enabled them to complete their observations on Corrie Habbie . So clear was the sky at this time , that one evening after sunset they saw the pile on Ben Nevis distinctly through the telescope , the distance being ...
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