The Philosophical magazine; a journal of theoretical, experimental and applied physics (1798)
London Taylor & Francis (etc.) · leaf 466
bruary; having, in fact, been written previouslyto the writer having seen that article. The two papers obviouslyhave no further connexion than the circumstance of both refer-ring to phsenomena occasionally accompanying rainbows. LXX. Description of a New Pseudoscope. By Walter Hardie, Edinburgh.… … Siq. I. fio I Mr. W. Hardie^s Description of a New Pseudoscope. 443 1st. It exhibits the pseudoscopic image either reversed, or inits true aspect, each of these appearances being instantaneouslychangeable into the other at pleasure. This change is effectedby the alternate removal and replacement of…
Physics
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