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787 results
  1. NLM Digital Collections - A dictionary of arts and sciences (Volume 2) 
    Publication: Philadelphia : Published by Isaac Peirce ..., 1815-1816
    ... to the same pole. This is called tbe polarity of, the magnet; the ends of the magnet ... becomes, in fact, itself a magnet, having the polarity, the attractive and repulsive proper- ties for other ...
  2. ... it may not; but in the absence of evidence that it does, I am not inclined to presuppose it unnecessarily. I look upon the current as being produced by the union of opposite polarities, which are them- selves not the cause, but ...
  3. ... it may not; but in the absence of evidence that it does, I am not inclined to presuppose it unnecessarily. I look upon the current as being produced by the union of opposite polarities, which are them- selves not the cause, but ...
  4. ... it may not; but in the absence of evidence that it does, I am not inclined to presuppose it unnecessarily. I look upon the current as being produced by the union of opposite polarities, which are them- gelvcs not the cause, but ...
  5. ... dcrenstamte thee* potato* a* See Slide % (Hot© old polarity need* 2ta the exploring electrode)* (1) In thin ... loeka like 3»T elevation beonuoe the old polarity ms uood) * o* Thcco CKporlsieato thuc indicate that ...
  6. NLM Digital Collections - A Gradient of Molecules in Avian Retina with Dorsoventral Polarity 
    Publication: Cold Spring Harbor Reports in the Neurosciences, 1981
    ... Gradient of Molecules in Avian Retina with Dorsoventral Polarity ... Gradient of Molecules in Avian Retina with Dorsoventral Polarity Marshall Nirenberg pursued many lines of research in ...
  7. NLM Digital Collections - Catalogue of Sharp & Smith : importers, manufacturers, wholesale and retail dealers in ... 
    Publication: Chicago : Donohue & Henneberry, Printers, Engravers and Binders ..., [ca. 1893]
    ... rapid Rheotome, or current interrupter; a Commutator, or polarity changer; Scales, by which the primary and secondary ... for 40 cells (electing sing- ly without shock), Polarity Changer, Automatic Interrupter, Cut Out, Gal- vanoscope, necessary ...
  8. NLM Digital Collections - Syllabus to lectures on chemistry 
    Publication: Charleston, S.C. : S. Babcock & Co. ; New York : Wiley & Putnam ; New Haven : B & W Noyes, 1841
    ... under the influence of the same kind of polarity pre- viously induced. This forced condition never reaches ... exactly equal in amount in contrary directions. " The polarity of the arrangement, when in a state of ...
  9. ... more being relied upon. Should the stricture bear evidence of being due to a malignant groAA'th, the fact that the author's electrode bulbs are of zinc comes in play, since Avhen Avell amalgamated the polarity of the instrument may be changed to positive ...
  10. ... but of a more complicated, higher order of polarity. The knowledge of polar motion is only commencing. ... of common vision—the cause of the deviation, polarity, demonstrably operative, at least to some extent, in ...
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