Catalogue of apparatus, to illustrate magnetism, galvanism, electrodynamics, electromagnetism, magno-electricity . Fig. 123. Horizontal Axial Engine Price $ 28 DA VISS CATALOGUE Fig. Fig. 133. Electro-Magnetic Telegraph ; Price $ spool and paper, $ Fig. 134.

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Keywords: ., bookautho, bookcentury1800, bookdecade1850, bookpublisherbostonsn