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224 ~ Recent Developments in Life Preservers A development in the form of con- struction of life preservers that bids tair to have an important bearing on such equipment, and one which is of particular interest to all followers of the water, either for pleasure or for business, in surf bathing, or otherwise being placed in positions liable to drowning accidents, has been brought out by Lieut. S. P. Edmonds, United States revenue cutter service, Baltimore, Md. ' retired, He has- studied the LIFE PILLOW problems in an analytical way and has succeeded in producing results that have been accepted by the patent office as patentable, and patents have been issued within the past year. The objects aimed at were to pro- vide a life preserver that will apply buoyancy at the head and shoulders in- stead of at the waist; to maintain its buoyancy and security to the person up to the time really needed, that is, the LIFE MATTRESS time of exhaustion; to be applicable quickly without being obliged to wear it; that is, to be able to quickly and easily put it on while lively in the water, then when exhaustion comes. the life preserver will do its important work, instead of slipping from weak hands. Lightness, strength, long floating reliability, ease of putting on, are al} aimed at in the new life preserver, which is filled with the wonderful water resisting and light material known as Kapok. i Lieut. Edmonds is also the inventor of the life saving -mattress success- fully demonstrated before government THE MARINE REVIEW officers' several months ago and which has received wide-spread attention both -in the United States and foreign coun- tries. _ The principles of the patent life pre- server and mattress are easily applied to all boat cushions, chair cushions, hammc.< mattresses, etc., to be made for vessels. Iron Ore Shipments The May movement of iron ore on the great lakes is certainly an ex- ample of what the fleet is capable of doing. Navigation was beset with many difficulties during the month; weather was uncommonly thick and ice was met with. until well after the middle of the month, in addition to which heavy rains delayed shipment from the mines; yet. over 7,000,000 tons were moved. This is the first time in the history of the trade that the 7,000,000-ton mark has_ been reached during May. The _ nearest approach to it was in. -May,.. 1910, when 6,081,358 tons were moved. The movement for May was /,- 284,212 tons as against 5,919,074 for Nay, 1912.0 an increase 'of 1,365,158 tons. The movement to June 1 to- tals 8,150,599 tons as against 6,123,116 tons to June 1, 1912, an increase of 2,027,483 tons. seen that no difficulty whatever will be experienced in moving over 50,- 000,000 tons during the present year. - The June movement will probably be a record-breaker as the ore is com- ing forward fast from the mines and tonnage is abundant. Following were the shipments by ports: May, May, Port. LON Zs 1913. Bscanaba . 3 ieee. 712,359 738,158 Miarguette? sce ee: 356 914 489,547 Shiai ee ee 513,484 681,460 UDEDIOR ear ce ice 1,931,307 2,047,396 DOMED eee Ae ee as 1,276,027 1,939,848 woe Mbar Ors cael. 1,128,983 1,387.803 5,919,074 7,284,212 POTS increase es. ; 1,365,138 To June 1, To June 1, Ont 1912, 1913. ecana ba = fck sea sue ot. 792,889 955,187 Marquette 2. 7is 356.914 527,041 UNBAN ooo we cy Renee te 521772 734,941 Saperlon 2. aks 159955723 = 2:300,271 POR a 1,294,264 2,100,220 lbwo. Elarpots< yes. oc.. .% 1,161,554 1,532,939 6,123,116 8,150,599 HOTS inerease 6 Ooo 2,027,483 Commerce of Lake Superior The commerce of Lake Superior as measured by the canals at Sault Ste. Marie reached 11,376,195 net tons in May, 1913, which is the heaviest movement on record for May of any year, the nearest approach being May, 1912, when 8,936,693 tons were moved. The movement of grain shows a 'wonderful increase over that of a year ago through the movement of It can therefore be. June, 1913 1912 of that commodity was practic- ally double that of 1911. Following is the summary of movement for 1912 and 1913, to June 1. EAST BOUND. To June 1, To June 1. 1912, 1913, Copper; net tons... 02. 19,785 18,910 FAI; D1, 2 Se eie oe. ++ 12,995,800 22,193,810 Bldg. stone, net tons... B28o0 eee IOUT. DATTEIS: 2; saets es 15057,960 1,588,511 Iron "ote, net tons...... 9,246,215 7,308,544 Pig iron, Net tone... 3. Taiiiecit 3,759 Lumber, M.it., B. M.... 42.68,527 77,984 Wheat. bashels 7"... 35,496,981 42,059,027 Unclassified freight, net ~ CONS oo ei ee 127,817 60,340 Passengers, number 1,662 1,684 WEST BOUND. Coal, anthracite, net tons 17,848 626,159 Coal, bituminous, net tons 1,653,022 2,890,789 Hlour batrels<.......:...'. ae Grains bushelsa 22 6 eis Maisie sa ies on talccle es ae Mnfctd. iron, net tons... 113.807 85,789 Tron ore;; net: tons...' 500 Yes Salt, Dairels cic... se 219,022 181,095 Unclassified freight, net CONS! ee ee ee 157,598 121,615 , Passengers, number 1,970 1,829 SUMMARY OF TOTAL MOVEMENT. 7,128,152 9,430,301 1,975,459 3,851,449 East bound, net tons.... West bound, net tons... Total ee es eae as 9,103,611 13,281,750 Viessel passages ©... 06... 3,379 3,767 Net registered tonnage.. 7,972,292 9,703,397 Lake Erie Ore Receipts Out of a total movement of 7,284,- 212 tons of ore during May, 5,378,814 went to Lake Erie ports, distributed as follows: = Port. Gross tons. Bitalo (aos et ee 787,814 POTIO ge oe hice Wa Shoe ree 59,214 Connedaie vis. see cs Se 1,070,843 Ashtabula eg ciate oe a obs 1,296,409 AUB O ME a iss ic sare ocs'e' 65's 362,702 Cleveland res Gare ss es 1,073,816 Warain 3 ee be. es 487,170 PRUROM Ae eo oe cis cles soos 80,573 DAMCUSK Yee seco cues cele Werceeia PPOlGdO ir ess tees 126,469 ADCET OM eos cose res ie cae 33,804 Motels, Sisco cca ee os ce 5,378,814 The navy department will accept the bid of the New York Ship Building Co., Camden, N. J., for the construction of the destroyer tender Melville. It sub- mitted two alternative bids, one calling for steam turbine machinery with re- duction gear and installing tools, ma- chinery and shop outfit, for $1,310,000. The other bid was $1,260,000 and cov- ered the cost of the vessel and. machin- ery, the government to furnish the tools and shop outfit. The steamers City of Annapolis and City of Richmond, building for the Chesapeake Steamship Co., = were launched from the yard of the Mary- land Steel Co., Sparrow's Point, Md., on May 31. The new steamers are 27/7 _ft. long, 53 ft. beam over guards and 16 ft. 5 in. deep. The Yale & Towne Mfg. Co. has removed from 9 Murray. street to 9 East 40th street, New York.