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 13
... line of prescribed duty , discerned . These results are often and very justly characterised as " most curious , " and the mode of discovering and exhibit- ing them as " most ingenious . " Several of them un- doubtedly exhibit remarkable ...
... line of prescribed duty , discerned . These results are often and very justly characterised as " most curious , " and the mode of discovering and exhibit- ing them as " most ingenious . " Several of them un- doubtedly exhibit remarkable ...
Page 18
... line , and have received a satisfactory certifi- cate from Mr Leslie , professor of mathematics in Edin- burgh . Could I only be so fortunate as to obtain a strong recommendation to Lord Mulgrave [ then Master- General of the Board of ...
... line , and have received a satisfactory certifi- cate from Mr Leslie , professor of mathematics in Edin- burgh . Could I only be so fortunate as to obtain a strong recommendation to Lord Mulgrave [ then Master- General of the Board of ...
Page 47
... lines ; the second , the triangulation of the surface to be surveyed and measured . A base - line is an initial measured line , whose length is assumed as the unit to which all other distances calculated in the survey are temporarily ...
... lines ; the second , the triangulation of the surface to be surveyed and measured . A base - line is an initial measured line , whose length is assumed as the unit to which all other distances calculated in the survey are temporarily ...
Page 48
... line , by marking in a permanent way its two extremities , and to allineate it — i.e . , make it so straight as to allow of its being foreshortened to a point . These things being done , the line must be measured with some measure , or ...
... line , by marking in a permanent way its two extremities , and to allineate it — i.e . , make it so straight as to allow of its being foreshortened to a point . These things being done , the line must be measured with some measure , or ...
Page 49
... lines , drawn to the object from the extremities of the base , make with the base - line . The object , in short , is made the summit of a triangle in which two angles and the length of the side between them are known . Its distance ...
... lines , drawn to the object from the extremities of the base , make with the base - line . The object , in short , is made the summit of a triangle in which two angles and the length of the side between them are known . Its distance ...
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