. Scientific American Volume 91 Number 16 (October 1904). ESSOP STEEL C? WASHINGTON. PA. Sharpmeans. ELGIN TIME Every Elgin Watch is fully guaranteed. All jewelershave Elgin Watches. Time makers and Timekeepers,an illustrated history of the watch, sent free upon request to_ Elgin National Watch Co., Elgin, III. COLD GALVANIZING. AMERICAN PROCESS NO »nDI[\IFORMATI0N in APPLICATION. NICKEL JJfD Electro-Plating Apoaratui and lateriil. TOE Hanson & van Winkle Co., / Newark. N. J. 93 William N. t. 30 & 32 8. Canal St. Chicago.

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