Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 837
me other French Chemists. Vol. XVIIL—Nq. 5.—November, 1836. 29 i 338 Progress of Practical Theoretical Mechanics Chemistry. Improvements on the Electrical Apparatus for Dancing-Images.When the plates are not of considerable size the images leap off, and if verylarge the view is obstructed. To… … pieces of tinfoil pasted on each side of the glass; a hole P being cut in thecentre of the glass to pass the tinfoil a a through, and thereby connect themetallic circular slips. In fig. 2, the rod and crook S H represents thesuspending wire, which is screwed into a circular fiat piece of brass,…
Science · Patents · Meteorology · Technology
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