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July, 1914 { 72" Steel Plate Fan--Both for same duty--36" "Sirocco" Multi-blade Fan TRADE MARK, Multi-Blade Fans for Forced Draft Save Money because they Save Power. They save power because their design is such as to make use of every bit of energy consumed with the least possible waste. Catalogue No. 34316 contains reliable information on Mechanical Draff Yours upon request. AMERICAN BLOWER (COMPANY DETROIT. MICHIGAN.U S.A. Canadian Sirocco Co., Limited, Windsor, Ont., Manufacturer for Canada THE MARINE REVIEW 21 DIXON'S The Pioneer BOILER GRAPHITE The action of Dixon's Flake Boiler Graphite is to soften and break up the scale already in a boiler, and then to coat tubes and sheets with a film of graphite to which scale cannot adhere. In doing this, no form of graphite is so effective as the flake form--and there is no flake gra- phite superior to Dixon's Ticonderoga Flake. Study the question in "Graphite For The Boiler," No. 77, free. Made in JERSEY CITY, N. J., by the Joseph Dixon Crucible Company Established 1827 NICHOLSON SHIP LOGS. Far in advance of all other types The Nicholson Record- ing Ship Log has recently been installed on the lake bulk freighters Samuel Mather (big) and W. H. Crawford. The lake pas- senger steamers North American and South American have also been equipped with it. One has also been put aboard the American cup de- fender Vanitie and orders have just been received for logs for Galatea II owned by E. L. Ford of Detroit, and Aquilo owned by B. 'T. Rogers, Vancouver, B. C Write for Catalogue The Nicholson Record- ing Ship Log gives the mileage sailed and shows | the exact speed per hour on a dial, recording it on a chart for every minute of the trip. NICHOLSON SHIP LOG co. Cleveland, O. H. G. Trout Company King Iron Works BUFFALO, N.Y. Manufacturers of High Grade PROPELLER WHEELS Marine Engines Brass and Iron Casting Large variety of Grate Bars in stock Write for particulars and testimonials. CASE OUTWARD THRUST PROPELLER WHEELS For Any Vessels, from Launches to Battleships GREATEST POWER AND SPEED LEAST VIBRATION The most powerful and smoothest running Propeller on the market. The Maximum of Efficiency. Write for Catalog A. WELLS CASE & SON HIGHLAND PARK, CONN. MODEL DO