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March, 1925 Removed Mechanically The Wheeler System mechanically removes oil sludge and dangerous gases from oil tanks in less than” half the time and at less than half the cost of hand removal. For over five years the H. J. Wheeler Salvage Company have demon- strated their ability to the leading steamship lines by cleaning the tanks of the best known ships in the world. Among the internationally known vessels using the Wheeler System are the following: Leviathan Conte Rosso Majestic Aquitania President Roosevelt Orizaba President Harding Olympic Western World Van Dyke Southern Cross Kroonland American Legion Mongolia Port Franchises Franchises to operate under the Wheeler system for any American port or group of ports giving ex- clusive rights are offered at outright sale. Franchises for foreign ports are also available. Actual demonstrations of the effici- ency of the Wheeler System under working conditions may be seen upon request at New York, Mobile or Galveston. Patents Patents Issued Allowed United States Sweden England Norway Canada Denmark Mexico Holland Belgium Japan France Italy Germany Operating 4 Cleaning Barges in the Port of New York MARINE REVIEW NOTICE TO SHIPYARDS AND SHIP OWNERS: The Wheeler System for the Removal of Oil Residues from fuel oil tanks and bilges of oil burning steamers having been finally adjudicated in a sweeping decision of the Federal Court [as novel and patentable, the Trade is hereby notified that any infringe- ments of this system by the use of a method such as employed by the defendant in said litigation or of any other infringing method involving mere colorable attempts to evade the patents of our company Nos. 1,405,173 and 1,480,482 will be vigorously prosecuted. Furthermore, that no bond, however large, which may be obtained from former dis- éruntled employees of our company or any irresponsible concern undertaking to remove such residues by an infringing method—even though colorably different—will protect a shipyard or shipowner against submitting to an accounting in the event of its unsuccess- ful defense to an action brought against it because of having contributed to any infringe- ment of said patents. 25 H. J. WHEELER SALVAGE COMPANY, Inc. Brooklyn, N. Y. 224 Bush St. Tel., Henry 1942 Please mention MARINE ReEvIEW when writing to Advertisers