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February, 1919 THE MARINE REVIEW 217 Clévelan BOCKET-IN- HEAD CLEVELAND RIVETING HAMMERS Riveter FOR SHIP YARDS AND DOCKS The New Cleveland is shorter, hits a harder blow and uses less air in operation than any Riveting Hammer on the market: 3314% gain in efficiency. m The new Cleveland is an “Ideal” Riveter for Ship Yards, Boiler Shops, Structural Work, Etc. i The high speed and great power obtained through the Pocket-in-Head makes the New Cleve- land a profitable investment. Capacity 14-inch to 114-inch Rivets. CLEVELAND WOOD-BORING & STEEL DRILLING MACHINES For Wood or Steel Cargo Ships The No. 20W Wood-Bor- , The No. 20TC steel drilling ing Machine illustrated is ; os Machine is a light weight, well adapted for Ship Con- high speed compound with struction as it is “fast”? and a-capacity of 114-in. bor- easily Handled by oneman. ing and %-in. Reaming in Made in three Sizes, Nos. steel. It is a very com- 10W, 20W and 30W, with pact, one man machine. boring Capacities 14-in. to We make 61 Types of Air 4-in. in Wood. Shipped Drills for all classes of on Approval. work. BOWES AIR HOSE COUPLINGS OVER 1,500,000 IN GENERAL USE ee Interchangeable in all sizes most commonly used from 14-in. to 34-in. Instantly connected or disconnected. Absolutely air tight Write for Bulletins Nos. 34, 37, 38, 39. THE CLEVELAND PNEUMATIC TOOL COMPANY NEW YORK MAIN OFFICES AND WORKS, CLEVELAND, OHIO CHICAGO PHILADELPHIA PITTSBURGH SAN FRANCISCO CLEVELAND PNEUMATIC TOOL CO., OF CANADA, LTD., 84 Chestnut St., Toronto Woven Steel Hose & Rubber Co. Trenton, N. J., U.S. A. “CLEAN UP” Whenever and wherever you need. RUBBER ERASERS of superior quality and service, use Shamrock Cuality, like appearance, Av oe is attractive. Free from Carnation grit and guaranteed not to oe discolor drawing. Pressto Gum _ Unexcelled as a medium for cleaning drawings and many other materials. Typewriter Made in two sizes and un- challenged for its purpose. Ink and Pencil Combining handiness and Write for particulars for any style of Armored Hose Armored Hose for all purposes. Pneumatic Tools, Oxy-Acetylene Welding out- fits, Tube cleaners. U. S. Metallic Packing utility. .. FOR... N. Y. Blue Constructed especially for Circular the work for which circu- lar erasers are adapted. Marine Engine Piston Rods and Valve Stems These are the rubbers you need. A trial order will convince. NEW YORK BLUE PRINT PAPER CO. 102 Reade Street New York City The test is in the rubbing. Try the kind that fits your needs. The U. S. Metallic Packing Co., PHILADELPHIA, PA. Write for Catalog Please mention THE Martine Review when writing to Advertisers