Catalogue of apparatus, to illustrate magnetism, galvanism, electrodynamics, electromagnetism, magno-electricity . Fisr. D. Galvanic Lamp. Price, without the Batterv. £ 12 DAVIS S CATALOGUE .%.26. Fig. 26. Powder Cup, of glass, Price 25 cts. ; ofbrass, 50 cents. ELECTRO-DYNAMICS. Fig. 159.

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Keywords: ., bookautho, bookcentury1800, bookdecade1850, bookpublisherbostonsn