Dwericat. Scientific SEPTEMBER 4, 1897.] … ALBERT A. HOPKINS. | Fl LMS scope Films, new list. F. L. WILLARD, WITH AN INTRODUCTION BY CAUSE OF LUMINOSITY IN THE For the Best. Projecterscope or Kineto- HENRY RIDGELY EVANS. Flames of the Hydrocarbon Gases.—By Prof. Vivian B. 1% Lexington Avenue, Brooklyn, N. Y. Lewes. An important paper in…
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