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1903.] MARINE REVIEW AND MARINE RECORD. 9 The. Wartin- Bavviis Ce. (MPORTERS AND MANUFACTURERS OF Mahogany ly While Mahogany, AND ALL NATIVE CABINET WOODS. IE PRYOR PATENT DIPPER TOOTH For Dredges and Steam Excavators. is made entirely of open-hearth steel in two parts, a shank and a removable point. The shank is bolted onto the dipper in the usual way and re- mains stationary, while the removable point is toes over the shank and is bolted hereto. A full set of four points can be changed in from ten to fifteen min- utes, whereas it takes a much longer time to change a full set of the old- style cumbersome iron teeth. 'These teeth will wear 100 per cent longer than the iron feetk steel tipped, |. and will increase capacity of the dredge materially in hard digging. HIGH GRADES OF KILN DRIED WOODS FOR CABIN WORK AND INSIDE TRIM. While Guak Yimters and Plank CONSTANTLY ON HAND AND SAWED TO ORDER ON SHORT NOTICE. 654 Seneca Sirect, Cleveland. C. The Pryor Patent Excavator Tooth Co., REMOVABLE POINT. HOUGHTON, MICH, AIDS TO NAVIGATION are of vital importance to vessel interests. SCHERZER ROLLING LIFT BRIDGES aid navigation. and meet with the approval of all vessel interests, because of the wide and unobstructed channel provided for navigation, enabling vessels to pass easily and rapidly through the draw. THE SCHERZER ROLLING LIFT BRIDGE CO., MAIN OFFICES: 1616 MONADNOCK BLOCK, CHICAGO, U. S. A. De Grauw, Aymar & Company. ESTABLISHED 1827. Cordage, Oakum, Vessel and Railroad Supplies. SOLE MANUFACTURERS IN THE UNITED STATES FOR TYZACK'S STOCKLESS ANCHORS. NEW YORK CITY. All of the latest and largest LAKE STBAMSHIPS are com- pletely equipped with = L A K E JID gd oO DUPLEX AND SIMPLEX SPECIAL MARINE PUMPS. New Marine Catalog ready about July ist. Geo. F. Blake Mfg. Co. 114 Liberty St., NEW YORK CITY. TheEquilibrlum Circulator and Steam Heating Attachment Increases Evaporation 5 to 15% PAYS FOR ITSELF WITH SAVING IN REPAIRS Keeps all parts of boiler at an even tem- perature. No extra jciple to lea Creates a con- stant automatic circulation as long as_ boiler is fed. 106 in use. 50 orders. H. BLOOMSBURG & CO. 700 DOLPHIN ST., = . BALTIMORE, MD. LATEST PATENT ANCHOR (4 The National and Inter- a? tional THE NATIONAL sip APPROVED BY LLOYDS. STEAM SrA 6 ANCHORS. Furnished to fhe Lake Trade Manufactured by L.M.BOWERS&CO., [ie The Upson-Walton Co., Binghamton, N. Y, Catalogue on Application. CLEVELAND, O. One of these binders, that will hold a com- eee plete volume of the Marine Review and Marine Record, will be mailed | | to any address SK 322 on receipt of $1. THE MARINE REVIEW Pus. Co., 39-41 Wade Bldg. CLEVELAND, O. resentation SRE ra: BR) ihe Ra pace Rtn a