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Visual Sensations from the Alternating Magnetic Field
THERE is no necessity to look to suggestion or other abstruse causes to account for this phenomenon. The electric currents induced in the head are quite sufficient to produce the effect.
Distant Electric Vision
REFERRING to Mr. Shelford Bidwell's illuminating communication on this subject published in NATURE of June 4, may I point out that though, as stated by Mr. Bidwell, it is wildly impracticable toExpand
Autobiographical and other Writings
IN the preface to “Rob Roy” Sir Walter Scott remarks that no introduction can be more appropriate than an account of the singular character whose name is given on the title-page, who owed his fame inExpand
Professor Röntgen's Discovery
THE newspaper reports of Prof. Röntgen's experiments have, during the past few days, excited considerable interest. The discovery does not appear, however, to be entirely novel, as it was noted byExpand
Science and Psychical Research
I HAVE read the editorial note appended to the letters on this subject published in NATURE of September 11, and desiring to keep within the limits that you wish to be observed in this discussion, IExpand
Wireless Telephony
REFERRING to my letter on this subject in NATURE of June 12, Mr. Godfrey Isaacs tells me that his wireless remarks with regard to secrecy were intended to apply, not to the apparatus actually in useExpand
The Committee on Wireless Telegraphy Research
THE appointment of the committee on wireless telegraphy research, and its report, referred to in last week's issue of NATURE (p. 385), are indications that the somewhat fierce light that the MarconiExpand
Some experiments with cathode rays
  • A. Swinton
  • Materials Science
  • Proceedings of the Royal Society of London
The extensive employment of the focus form of Crookes’ tubes as the most efficient known means of generating X-rays, has rendered advisable the more complete investigation of the cathode rayExpand
On the reflection of cathode rays
  • A. Swinton
  • Materials Science
  • Proceedings of the Royal Society of London
There being apparently some doubt as to the exact nature of the rays, named by Professor S. P. Thompson paracathodic rays,* which in a Crookes tube of the focus type proceed from the front surface ofExpand
The Occlusion of the Residual Gas by the Glass Walls of Vacuum Tubes
Users of Crookes’ tubes for Rontgen ray purposes have for long been aware that, apparently owing to a change in vacuum, the tubes become “harder” with use, and that it becomes necessary in the caseExpand
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