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" ... should not have any effect in disturbing or altering the flame. It is found that the wind may blow suddenly in at the cowl, and the effect never reaches the lamp. The upper, or the second, or the third, or even the fourth portion of the ventilating... "
Minutes of Proceedings of the Institution of Civil Engineers - Seite 205
von Institution of Civil Engineers (Great Britain) - 1844
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Band 39

Perry Fairfax Nursey - 1843 - 678 Seiten
...effect never reaches the lamp. The upper, or the second, or the third, or even the fourth portion ot the ventilating flue, might be entirely closed, yet...downward current occurs, they dispose of the whole of it iuto the room, without ever affecting the lamp. The ventilating flue is, in fact, a tube which, as...
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The London journal of arts and sciences (and repertory of patent inventions ...

William Newton - 1844 - 540 Seiten
...iuto the air of the lanteru, but a portion of the air passes from the lantern by these apertures iuto the flue, and so the lantern itself is in some degree...lamp. The ventilating flue is, in fact, a tube which, aa regards the lamp, can carry every thing up, but conveys nothing down. In lighthouses with many separate...
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London Journal of Arts, Sciences and Manufacturers, and Repertory ..., Band 24

William Newton, Charles Frederick Partington - 1844 - 536 Seiten
...It is found that the wind may blow suddenly in at the cowl, and the effect never reaches the lump. The upper, or the second, or the third, or even the...fact, a tube which, as regards the lamp, can carry every thing up, but conveys nothing down. In lighthouses with many separate lamps and reflectors, the...
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The Mechanic's Magazine, Museum, Register, Journal and Gazette, Band 39

1843 - 508 Seiten
...effect never reaches the lamp. The upper, or the second, or the third, or even the fourth portion ot the ventilating flue, might be entirely closed, yet...tube which, as regards the lamp, can carry everything /.•/'• but conveys nothing down. In lighthouses with many separate: lamps and reflectors, the case...
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Experimental Researches in Chemistry and Physics

Michael Faraday - 1859 - 522 Seiten
...altering the flame. It is found that the wind may blow suddenly in at the cowl, yet the effect never reach the lamp. The upper, or the second, or the third,...whole of it into the room, without ever affecting the flame. The ventilating flue is, in fact, a tube which, as regards the lamp, can carry everything up,...
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A Treatise on Optics; or, light and sight, theoretically and practically ...

Edward Nugent (C.E.) - 1868 - 294 Seiten
...out of the flue in the lantern, but a portion of the air pa lantern by these apertures into the flue lantern itself is in some degree ventilated. The important...whole of it into the room without ever affecting the lump. The ventilating flue is in fact a tube which, as regards the lamp, can carry everything up, but...
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Lighthouses and lightships

William Henry Davenport Adams - 1870 - 336 Seiten
...or even the fourth portion of the ventilating flue might be entirely closed, yet without influencing the flame. The cone junctions in no way interfere...can carry everything up but conveys nothing down. The British lighthouses, as I have stated, are under the charge of either two or three keepers, whose...
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Lighthouses and lightships

William Henry Davenport Adams - 1870 - 366 Seiten
...portion of the ventilating flue might be entirely closed, yet without influencing the flame. Thecone junctions in no way interfere with the tube in carrying...can carry everything up but conveys nothing down. The British lighthouses, as I have stated, are under the charge of either two or three keepers, whose...
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Lighthouses and Lightships: A Descriptive and Historical Account of Their ...

William Henry Davenport Adams - 1878 - 370 Seiten
...ventilating flue might be entirely closed, yet without influencing the flame. Thecone junctionsin noway interfere with the tube in carrying up all the products...can carry everything up but conveys nothing down. The British lighthouses, as I have stated, are under the charge of either two or three keepers, whose...
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