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 82
John Ferguson McLennan. being readily turned in any direction . The direction of the station of observation being marked by a line on the ground , a small flat brass ring was placed in the direction at about 20 or 30 feet from the ...
John Ferguson McLennan. being readily turned in any direction . The direction of the station of observation being marked by a line on the ground , a small flat brass ring was placed in the direction at about 20 or 30 feet from the ...
Page 97
... direction of the inventor of the bars in the summer of 1827 with the most perfect success , several portions of the measure- ment having been witnessed by some of the most eminent scientific men of the country . " He takes no notice of ...
... direction of the inventor of the bars in the summer of 1827 with the most perfect success , several portions of the measure- ment having been witnessed by some of the most eminent scientific men of the country . " He takes no notice of ...
Page 98
... direction of Colby , we have the work of each of those engaged in the operations for the measurement assigned to its performer on the evidence of official documents . The invention of the bars is indirectly ascribed to Colby , by a ...
... direction of Colby , we have the work of each of those engaged in the operations for the measurement assigned to its performer on the evidence of official documents . The invention of the bars is indirectly ascribed to Colby , by a ...
Page 99
... direction of the inventor of the bars with the most perfect success . " He means Colby ; but the base was mainly measured under the direction of Drummond . Portlock is incor- rect even as to the time when the measurement was made . The ...
... direction of the inventor of the bars with the most perfect success . " He means Colby ; but the base was mainly measured under the direction of Drummond . Portlock is incor- rect even as to the time when the measurement was made . The ...
Page 101
... directions , and contraction in others , necessarily imply- ing invariability in some intermediate directions . It was suggested , as a bare possibility , that such a con- dition might be satisfied by cutting mica in some cer- tain ...
... directions , and contraction in others , necessarily imply- ing invariability in some intermediate directions . It was suggested , as a bare possibility , that such a con- dition might be satisfied by cutting mica in some cer- tain ...
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
Administration apparatus appears appointed Argand Argand burner Argand lamp bars became Bill boroughs Captain Catholics chief Colby Colonel Commissioners common considerable constables constabulary course Crown direction 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 labour land landlord Larcom letter light lighthouse lines Lord John Russell Lord Lieutenant Lord Melbourne Lord Morpeth Lord Normanby Lough Foyle magistrates Maziere Brady measure ment mond Morpeth mother object observation occasion officers organisation outrages Parliament party passed persons police political population present principle proceedings proposed question railways reflector Reform regard Report respect result Ribandism Roden Committee says Secretary Sir John society success Survey tanistry tenant Thomas Drummond tion Tipperary triangulation Trinity House Whigs whole Woolwich