Catalogue of apparatus, to illustrate magnetism, galvanism, electrodynamics, electromagnetism, magno-electricity . Fig. 182. Double Helix and Vibrating Electro-tome, (with battery and handles.) Price $10. to Fig. Handle, part wood, per pair. $ Handle, German silver, per pair. $ Medical Handle, silver plated, per pair. $ Handle, large, single. $ do. do. small> do. 75 cts. OF APPARATUS. 39 &g. I.

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Keywords: ., bookautho, bookcentury1800, bookdecade1850, bookpublisherbostonsn