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 63
... engaged along with Colby in carrying a chain of triangles northwards towards Cambridge , for the purpose of fixing upon the position * Memoir of Colby , p . 63 . for its observatory . On this occasion Wrotham Hill , SURVEY OPERATIONS . 63.
... engaged along with Colby in carrying a chain of triangles northwards towards Cambridge , for the purpose of fixing upon the position * Memoir of Colby , p . 63 . for its observatory . On this occasion Wrotham Hill , SURVEY OPERATIONS . 63.
Page 65
... carried on with energy as well as with skill , and that it will , when completed , be creditable to the nation , and to the scientific acquirements of the age . ' " " This survey was to task to the full Drummond's powers of invention ...
... carried on with energy as well as with skill , and that it will , when completed , be creditable to the nation , and to the scientific acquirements of the age . ' " " This survey was to task to the full Drummond's powers of invention ...
Page 67
... carrying his triangles across the Channel to the French coast , made use of Bengal and white lights prepared at the Royal ... carried on by Colonel Colby and Captain Kater , conjointly with MM . Arago and Mathieu , for connecting the ...
... carrying his triangles across the Channel to the French coast , made use of Bengal and white lights prepared at the Royal ... carried on by Colonel Colby and Captain Kater , conjointly with MM . Arago and Mathieu , for connecting the ...
Page 68
... carry off the fumes of phosphoric acid , were tried ; but the first attempts with these substances promising but little success , they were abandoned . The flames , besides being difficult and trouble- some to regulate , were large and ...
... carry off the fumes of phosphoric acid , were tried ; but the first attempts with these substances promising but little success , they were abandoned . The flames , besides being difficult and trouble- some to regulate , were large and ...
Page 84
... carrying a jar of mercury at its extremity . The upward expansion of the mercury counteracted the downward expansion of the rod , and kept the centre of oscillation always at the same distance from the centre of suspension . Mr John ...
... carrying a jar of mercury at its extremity . The upward expansion of the mercury counteracted the downward expansion of the rod , and kept the centre of oscillation always at the same distance from the centre of suspension . Mr John ...
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 |
Common terms and phrases
Administration apparatus appears appointed Argand Argand burner Argand lamp bars became Bill boroughs Captain Catholics chief Colby Colonel Commissioners common compensation considerable constables constabulary course crime 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 Althorp 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 question railways reflector regard Report respect result Ribandism Roden Committee says Secretary society Survey tanistry tenants Thomas Drummond tion Tipperary triangulation Trinity House whole Woolwich