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action alteration ammonia amount angle anhydrite aperture apparatus axis battery body calculated calorimeter carbonic acid centims chemical chloride circuit cobaltic coefficient compound condensation condition constant contain copper corresponding cubic centims cylinder density determined diameter diminishes direction disgregation distance electricity electromotive force elements equal equation ergon expansion experiments formula gases give given glass gypsum Hence hydrogen inches increase index of refraction intensity iron length light liquid luminous arc mass means measured mercury metal metres millimetres millims mineral molecules motion observed obtained oxide oxygen particles pass Phil phlogiston plane plates platinum position pressure prism produced proportional quantity of heat refraction refractive index resistance rheostat solution specific gravity spectrum steam substance sulphate sulphuric acid supposed surface temperature theorem theory thermometer tion transformation tube vanadium vapour voltaic voltameter volume wave weight wire zinc
Page 51 - WEBB.— CELESTIAL OBJECTS FOR COMMON TELESCOPES. By the Rev. TW WEBB, MA, FRAS Fifth Edition, Revised and greatly Enlarged by the Rev. TE ESPIN, MA, FRAS (Two Volumes.) Vol.
Page 76 - All good and honour might therein be read; For there their dwelling was. And when she spake. Sweet words like dropping honey she did shed ; And twixt the pearls and rubies softly brake A silver sound, that heavenly music seem'd to make. Upon her eyelids many graces sate, Under the shadow of her even brows...
Page 221 - During the years of scarcity at the end of the last and beginning of the present century...
Page 310 - ... pressure, the light emitted by a jet about one inch long was amply sufficient to enable the observer to read a newspaper at a distance of two feet from the flame, and this without any reflecting surface behind the flame. Examined by the spectroscope, the spectrum of this flame is bright and perfectly continuous from red to violet. With a higher initial luminosity, the flame of carbonic oxide in oxygen becomes much more luminous at a pressure of ten atmospheres than a flame of hydrogen of the...
Page 314 - The speaker stated that the foregoing facts clearly pointed out that vanadium, hitherto standing in no definite relation to other elements, must be regarded as a member of the well-known Trivalent or Triad class of elementary substances, comprising nitrogen, phosphorus, boron, arsenic, antimony, and bismuth. It is true that we are still but imperfectly acquainted with many of the characters of vanadium ; but the more its nature is studied...
Page 73 - In the following pages I have tried to render the science of Acoustics interesting to all intelligent persons, including those who do not possess any special scientific culture.
Page 73 - SOUND : a Course of Eight Lectures delivered at the Royal Institution of Great Britain. By JOHN TYNDALL, LL.DFRS New Edition, crown 8vo.
Page 385 - A Governor is a part of a machine by means of which the velocity of the machine is kept nearly uniform, notwithstanding variations in the drivingpower or the resistance.
Page 76 - Her ivory forehead full of bounty brave. Like a broad table did itself dispread, For Love his lofty triumphs to engrave, And write the battles of his great godhead: All good and honour might therein be read; For there their dwelling was. And when she spake. Sweet words like dropping honey she did shed; And twixt the pearls and rubies softly brake A silver sound, that heavenly music seem'd to make.