rformed b: Oil cake former, T. De Armo Combination Lathe Chucks, Plain Universal Lathe the use of Crookes tubes as a source of excitation. All M. Lund Chucks, Indevendent Lathe Chucks. Made b about Crookes tubes. SCIENTIFIC AMERICAN SUPPLE- We Chuck -Co., Oneida, N. Y¥ J MENT, Nos. 181, 189, 238,… … See Ius. Article in Scientific American, Jume 23, 1894. tro motor devised and constructed witb a view to assist- Refrigerator door, I’. M, Keith...............eeeeeee ing amateurs to make a motor which might be driven Register. See Cash register. with advantage by a current derived froma battery,…
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