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Scaling the bulwark of A. H. Bull & Co.’s S.S. “Cornelia” with Keller size OX Super Valveless Scaling Hammers— air supplied by Westinghouse compressor. The Westinghouse steam driven Air Compressor is com- pact, rugged, easy to install, ideal for use on board vessels, in the harbor, and in ship yards. Made in four sizes—35, 49, 66, and 150 cu. ft. displace- ment ... Motor driven com- pressors are also available for every purpose —a complete ine, in sizes up to 700 cu. ft. ee hand chipping method of removing rust, paint, or scale from the deck and sides of a ship is slow and inefficient. The modern way—with compressed air—is quicker, more convenient, more economical. Many steamship companies have equipped vessels with WESTINGHOUSE compressor outfits for this purpose, finding that for the price of one scaling contract with hand chippers, a complete compressor equipment and accessories could be purchased. This also provides a ready means for cleaning machinery, spraying paint, and making emergency repairs. A trial installation on one boat has time and again demonstrated such marked advantages that the entire fleet eventually was equipped. WESTINGHOUSE TRACTION BRAKE COMPANY GENERAL OFFICE AND Works 7 y 7 WILMERDING, PENNA. WESTINGHOUSE—NATIONAL AIR COMPRESSORS >