London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Том 11William Newton, Charles Frederick Partington W. Newton, 1826 |
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Сторінка 38
... six lamps are lighted every day , and where this precaution was taken , there was not a single glass broken for nine years . Polytechnic and Scientific Entelligence . ASTRONOMICAL SOCIETY OF LONDON . 38 Novel Inventions .
... six lamps are lighted every day , and where this precaution was taken , there was not a single glass broken for nine years . Polytechnic and Scientific Entelligence . ASTRONOMICAL SOCIETY OF LONDON . 38 Novel Inventions .
Сторінка 39
... SOCIETY OF LONDON . Dec. 9. - The President informed the Society that when he had the honour of announcing , at their last meeting , the extraordinary occurrence of the appearance of four comets in the short space of as many months , he ...
... SOCIETY OF LONDON . Dec. 9. - The President informed the Society that when he had the honour of announcing , at their last meeting , the extraordinary occurrence of the appearance of four comets in the short space of as many months , he ...
Сторінка 41
... , should be equally attained . The telescope now described has a twenty - five feet tube . The platform upon which the tele- VOL . XI . G scope is placed , and revolves at pleasure , is London Astronomical Society . 41.
... , should be equally attained . The telescope now described has a twenty - five feet tube . The platform upon which the tele- VOL . XI . G scope is placed , and revolves at pleasure , is London Astronomical Society . 41.
Сторінка 42
... Society , besides a neat . model of the tube and apparatus , two speculums : one of fifteen inches diameter , belonging to the telescope de- scribed , and another of twenty - one inches diameter and fifty - four feet focus . There was ...
... Society , besides a neat . model of the tube and apparatus , two speculums : one of fifteen inches diameter , belonging to the telescope de- scribed , and another of twenty - one inches diameter and fifty - four feet focus . There was ...
Сторінка 43
... apparent altitude , from the true longitude and the true latitude of a star . The resulting expressions for these several solutions are analytically simple . Those which are deduced in series London Astronomical Society . 43.
... apparent altitude , from the true longitude and the true latitude of a star . The resulting expressions for these several solutions are analytically simple . Those which are deduced in series London Astronomical Society . 43.
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acid actuated aperture apparatus applied attached axle beam bevelled bobbin boiler bolt bottom bricks carriage City of London cloth cock colour conj construction contrivance County of Middlesex cylinder described Ditto-ditto double stars drawing rollers dry rot Ecliptic effect employed fabric flax frame friction front frustrums gig barrels groove heat holes improvements inches inclined plane Inrolled invention iron lever liquor London loom lower machine machinery manufacture mast materials means Medal metal method Middlesex mode months motion mould observations OD in conj operation ordinary paddles Paris pass patentee piece pinion pipe piston placed plate pressure prevent printing roller produce propelling proposed pump purpose pusher rail rain revolve rotatory Rotherhithe round screw Sealed shaft shewn side sliding stars steam engine surface tion toothed wheel troy pound tube turn upper valve vessel weft wool
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