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 47
... length of the base in yards , feet , and inches being known , these other distances admit at once of being reduced ... length of the base should be a considerable multiple of the standard unit of length , several thousand yards at least ...
... length of the base in yards , feet , and inches being known , these other distances admit at once of being reduced ... length of the base should be a considerable multiple of the standard unit of length , several thousand yards at least ...
Page 48
... length . The measure should possess several qualities , to give any high degree of exactness in the measurement . It should be ( 1. ) as large as is consistent with its being easily manageable ; ( 2. ) of invariable length ; ( 3. ) so ...
... length . The measure should possess several qualities , to give any high degree of exactness in the measurement . It should be ( 1. ) as large as is consistent with its being easily manageable ; ( 2. ) of invariable length ; ( 3. ) so ...
Page 49
... length of the side between them are known . Its distance from either end of the base can thus be ascertained by computation , and made available as a new and larger base . " Thus , " says Sir John Herschel , in a paper in which this ...
... length of the side between them are known . Its distance from either end of the base can thus be ascertained by computation , and made available as a new and larger base . " Thus , " says Sir John Herschel , in a paper in which this ...
Page 52
... length after a week of rain ; which on the length of the base would have caused an error of about 45 inches . On the other hand , the chain , while it possessed many good qualities , was attended by not inconsiderable diffi- culties in ...
... length after a week of rain ; which on the length of the base would have caused an error of about 45 inches . On the other hand , the chain , while it possessed many good qualities , was attended by not inconsiderable diffi- culties in ...
Page 53
... length of a degree of a great circle perpendicular to the meridian in latitude 50 ° 41 ' ; great interest being taken at the time in the question , Whether the length of a degree increased in approaching the equator ? The direction of ...
... length of a degree of a great circle perpendicular to the meridian in latitude 50 ° 41 ' ; great interest being taken at the time in the question , Whether the length of a degree increased in approaching the equator ? The direction of ...
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