, opp. Astor House, New York. ery, Mechanical Works, i Asbestos Cloths, Cord, Twine, Yarn: Asbestos Gasket and Retort Cements, etc. Chemistry, Metallurgy, Hledtricity; , Heat, Archi- —— H. CHEEVER, Treas. Branches: 308 Chestnut St., Phila., 167 Lake St., Chicago, 52 Summer St., Boston. J. D,… … amine Improvements, and io act as Solicitors of Patents No Ratchets, Pawls, or Price for the SUPPLEMENT for the United States and Friction Devices. for Inventors. Canada, $5.00 a year, or one copy of the SCIENTIFIC AM- In this line of business they have had forty years’ 122 styles and sizes for all…
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