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 71
... effect these observations having for some time been rendered unavailing by the thick mist so frequently overhang- ing the bed of the Thames , a series of bright tin plates was put up on both stations . Each set , consisting of six or ...
... effect these observations having for some time been rendered unavailing by the thick mist so frequently overhang- ing the bed of the Thames , a series of bright tin plates was put up on both stations . Each set , consisting of six or ...
Page 73
... effect . Fresnel's superb lamp was next disclosed , at whose superior effect the other seemed to dwindle , and showed in a manner quite subordinate . But when the gas began to play , the lime being now brought to its full ignition and ...
... effect . Fresnel's superb lamp was next disclosed , at whose superior effect the other seemed to dwindle , and showed in a manner quite subordinate . But when the gas began to play , the lime being now brought to its full ignition and ...
Page 81
... effect a variety of improvements in his light apparatus , which he was bent on fitting for lighthouse use . In the spring he returned to London , where he was occupied during the summer and autumn in experiments for forming the new ...
... effect a variety of improvements in his light apparatus , which he was bent on fitting for lighthouse use . In the spring he returned to London , where he was occupied during the summer and autumn in experiments for forming the new ...
Page 90
... the iron till the requisite effect was produced . For this purpose the brass bars were bronzed and * Yolland's " Account , " & c . , p . 11 . varnished ; the iron bars were browned like the barrels 90 MEMOIR OF THOMAS DRUMMOND .
... the iron till the requisite effect was produced . For this purpose the brass bars were bronzed and * Yolland's " Account , " & c . , p . 11 . varnished ; the iron bars were browned like the barrels 90 MEMOIR OF THOMAS DRUMMOND .
Page 91
... effect was obtained . This being done , the spaces covered with lamp - black were carefully marked , and the iron bars cleaned and revarnished , the same portions being again covered by the lamp - black mixed up with varnish . After ...
... effect was obtained . This being done , the spaces covered with lamp - black were carefully marked , and the iron bars cleaned and revarnished , the same portions being again covered by the lamp - black mixed up with varnish . After ...
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