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April, 1914 THE MARINE REVIEW 165 The *'Underwriter"' Pivot-Balance Hatch Cover. The Sea Cannot Rip Them Up or Break Them Down. Latest Type of Steel Hatch-cover--An Insurance Against Disaster through Weak Hatch-fittings. _ Applicable to all ships. Designed to operate in one single section or in series, according to available space between coamings and their height above the deck-line. Operates without Tackle or Winches. Battens securely without Canvas Flaps, Hatch-Bars, Battening-Lugs or Wedges. Upkeep expense eliminated. Six seamen can, with ease, "Trundle" 30 (Thirty) of these Hatch-cover Sec- tions into place and securely batten them in half an hour. Their removal requires even less time. The Acme of Simplicity. Unlimited Tandem Operation. The Maximum of Strength and Security. By all odds the Best--By long odds the Cheapest. Light as can be--Strong to all necessity. Special low rate introductory Royalties to es Ship-Owners, Ship-Yards and Repair Plants. Correspondence Solicited. Address, (Captain) Arthur N. McGray, 119 West 71st Street, New York, N. Y. J gust, || NtcHOLSON ' Repairs SHIP LOGS Thermit Welding Far in advance of all other types is quick, easy and : effective--and when Absolutely Accurate Highly Efficient applied to broken ~ rudder frames,stern- posts, or stern~- frames, will enable your vessel to re- a turn to service in E ens : ogg | two or three days, See effecting a tremend- it Weld on Sternpost of Steamship ous saving in dry "William Henry Mack"' -- dock charges. There is nothing experimental about Thermit Welding. During the last few years we have executed many repairs for the principal steamship companies of the Atlantic and Pacific coasts and the Great Lakes and every repair has been uniformly successful and our best advertisement. Our process is sanctioned by the British Corporation for the Survey and Registry of Shipping, Glasgow. If you are interested obtain our pamphlet No. 3440 and Reac- tions, which illustrate and describe many marine repairs and contain full information about the process. Every marine man should have one. 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 BV ER Y. MINUTE OF: THE 'EREP; Who Use "Nicholson" Ship Logs? The U.S. Navy (87 ships); Imperial German Navy; Royal Italian Navy; Imperial Russian Navy; Argentine Navy; U.S. Revenue Service; and U. S, Transport Service. The above, of course, are only a few of the users of our prod- Therm f OMPANY Perea: - see for oe N: eee Ship Ons ea ERMIT C 5 eround in every part o € arena fees Gen. Mgr. Investigate! world. 90 West S ,» New York 432-436 Folsom St., ee ieee cues Ave., Chicago NICHOLSON SHIP LOG CO *y Cleveland 103 Richmond St., W., Toronto, Ont. STRATFORD OAKUM QUALITY GUARANTEED | | JERSEY CITY and EVERYWHERE GEO. STRATFORD OAKUM CO., 165 Cornelison Ave., Jersey City, U. S. A.