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 50
... importance to the excel- lence of the instruments for measuring angles . It will be seen hereafter that Mr Drummond made most im- portant contributions to geodesical science in regard to each of these sets of operations . A sufficiently ...
... importance to the excel- lence of the instruments for measuring angles . It will be seen hereafter that Mr Drummond made most im- portant contributions to geodesical science in regard to each of these sets of operations . A sufficiently ...
Page 72
... importance . He made improve- ments on the instrument afterwards , which we shall notice in the proper place . The heliostat and the apparatus for exhibiting the light in survey operations , are fully described in the paper in the ...
... importance . He made improve- ments on the instrument afterwards , which we shall notice in the proper place . The heliostat and the apparatus for exhibiting the light in survey operations , are fully described in the paper in the ...
Page 79
... importance as the work of the Sur- vey proceeded . It owed most in the course of its development to General Larcom , who possessed special qualifications for advancing this branch . He unites literary and antiquarian tastes with an ...
... importance as the work of the Sur- vey proceeded . It owed most in the course of its development to General Larcom , who possessed special qualifications for advancing this branch . He unites literary and antiquarian tastes with an ...
Page 82
... importance in extensive surveys . The point - fixer and observer simultaneously noted and recorded the times of observation , and from the record , the station , if lost , could easily be recovered . The heliostat , in this shape ...
... importance in extensive surveys . The point - fixer and observer simultaneously noted and recorded the times of observation , and from the record , the station , if lost , could easily be recovered . The heliostat , in this shape ...
Page 97
... importance , as upon that equality depends the perfection of the compensation action , whilst the rapidity of heating and cooling is very differ- ent in different bodies ) , were carried on by Lieutenant Drummond , assisted principally ...
... importance , as upon that equality depends the perfection of the compensation action , whilst the rapidity of heating and cooling is very differ- ent in different bodies ) , were carried on by Lieutenant Drummond , assisted principally ...
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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