ngage in this line of business, will find this a rare op- Phillips & Co. are the authorized New York Agentsof the application of . Slemens’ system of heat regeneration portunity. Owners would retain one-third or half inter- tothe retorts of the Glasgow Corporation Gas Works. est if desired, or… … of bad cases, before and after cure, mailed for 10c. dealers. ON THE CARE AND MAINTENANCE 266th EDITION. PRICE ONLY $1 NEW AND READY RECKONER, of Bridges.—A valuable paper by Theodore Cooper, M. Am So¢.0.E., pointing out the various causes that pro- mote oxidation in the iron work of bridges, and…
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