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December, 1925 We specialize in the conversion of bulk freight ships into self- unloaders for special trades. Feed Pump DEAN BROS. C0. /NDIANAPOLIS. MARINE REVIEW The design of the L. D. Smith Patented Self-unloader permits bulk freighter to perform the following services Unload coal, sand, stone, and other dry, free flowing materials from five hundred to one thousand tons per hour* Will unload large open hearth stone for chemical trades or breakwater construction. Permits loading sand and gravel with centrifugal pumps and unloading dry directly on the dock. Permits loading sand with pumps and unloading with same pumps for hydraulic filling purposes. converting the | Str. “Lakewood” Sand Sucker unloads wet ordry Leathem D. Smith Doc Str. “Fontana’’ 6000 Str. ton converted unloader “Lake Markham” hydraulic fill boat Sturgeon Bay, Wisconsin Jet Condensers Main Feed Pumps Ash Gun Pumps General Service Pumps Bilge Pumps Sanitary Pumps Cooler Pumps Boiler Circulating Pumps. 323 W. 10TH ST. ESTABLISHED 1869 standard k Co. 35 Let us figure on your hull and machinery repairs by con- tract. or attrac- tive day rates. Sturgeon Bay harbor offers ideal winter. berthing. Saws Off Maintenance Costs Many great ship owners have cut 30 per cent or more off their costs for carpenters’ time spent in maintenance and repair work, by installing a Master Woodworker. It is 12 machines in one--does the work of 4 men. ‘ a = « = = = = = = It does cross cutting, ripping, jointing, boring, da- : doing, planing, routing, plowing, mitering, rabbet- = ing, molding, band sawing, mortising, tenoning, : grinding, matching and stair routing. Used by thousands of contractors— lasts a life- time—runs from a lamp socket. Guaranteed for 5 years. Sold on easy payments. Fi = = = * = = = 2 Send or our f Money back if you are not thoroughly : Big De- satisfied. Model illustrated is No. 10, with 14 H. P. re Book motor for small work. Larger models, with 1, 2 and 5 H. P. scriptive = f = = 2 motors, made for ship yards and con- e struction work. MASTER WOODWORKER MFG. Co. 612 BRUSH ST., DETROIT, MICH. Please mention MARINE REVIEW when writing to Advertisers = = = = = = = 2 . 2