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September, 1909 Frame 50 Looking Att Fic. 6--MeEtHop OF FILLING AND TRANSFERRING IN BAGS. I. PenpULUM ARRANGEMENT. clamshell bucket. (1) The booms are arranged as shown on Section 118. contemplated, employing two ropes and a device for swinging the bucket after the coal is hoisted from the. hatches. boom over the hatch out of which the coal is taken is stowed vertically out of the way. directly to a two-sheave block, secured to a stay between masts, thence the ropes lead down through "'TAE MaRINE REVIEW Block on Stay Between Masls 18 "Sheaves Frame 1/8 Looking Att Showing Clan Shell Bucket Method of Coaling From Colier Hoisting Lines 1 Ypper Block MU Booms Hre 56°0"Long Blacks fastened to Boom i gle bin Block. 4'Sheave AX 7 WS Wire Rope Pennant WS Topping Lift toHandle Boom "Sy "Double Blocks,1%' Mortise | 44" Manilla Rope Frame 102 Looking Att Showing Arrangement for Coaling With Two Fined Booms, One Plumbing the Hatch of the loner While the Usher Plumbs the Scuttle of theVessel Being Coaled The loadis Connected With Both Hoisting Ropes Each Side 1s dperated Independently Frame 60. Looking Forward Shomng Leads For Clam Shell Bucket Far Norfolk Winch A second winch having two drums, operates a swinging block, a pendulum rope holds this block and because of the great elevation of the stay supporting the pendulum rope, the swinging block travels in a flat arc. Fic. 7--MetHop oF TRANSFERRING BY CLAMSHELL BUCKET. The use of clamshell buckets of one ton capacity is The center The ropes are led from a two-drum winch the swinging block to the in suspension (2) Bags filled by hand in the hold can be transported by this arrangement by using a hook instead of the clamshell bucket, and fastening the bags are then transported by the two-boom arrangement described in paragraph IT. to it. II. Two-Boom ARRANGEMENT. _ out, being controlled by a friction band. III. Bacs Frirtep sy CLAMSHELLS. IV. cluding the weight of the bags. The Point of View An Instance of the Influence Upon Opin- ion of Association Yas the'. all) but. .wniversal -cus- tom among. English technical and trade journals to make a parade of tthe exercise of ex- treme caution and reserve in quot- ing from American sources and to take the stand that anything that is worth having or knowing, particular- ly in things nautical, must needs origi- nate "at home," or, if not, the value of new devices is not established until passed upon by British opinion. Doubt- less this attitude is in part due to the sensational and inaccurate non-technical _ Press and the absurdities for which it is responsible, but it is equally due to, British complacency and conservatism. In a recent issue The Shipping World, London, reporting the summer meeting of the American Society of Naval Archi- tects and Marine Engineers, at Detroit, mentions the fact that the members had an opportunity of seeing the steamer J. Q. Riddle, which went to sea loaded and Environment. with 10,000 tons of coal in 45 days from the laying of the keel, and says: "Such vessels are, of course, but glori- fied barges." There is no particular reason for objecting to the title, if it pleases our cousins to use it; the term. barge is in itself indefinite enough to cover almost any case, and the reader can for himself compare the steamer referred to, and of which we present an indifferent illustration, with the type of barge with which he happens to be most familiar. The distinguishing features are of course the machinery placed clear aft and the unobstructed deck common to all bulk freighters on the great lakes. We will now take a look at a con- trast and present the following, also from The Shipping iat : o i 'July 30, the fine stee ao Be Wis Hugo, built by Sir Raylton Dixon & Cox Lid, of Yeveland dockyards, Middlesbrough-on- 8 ad constructed on their well- The booms are rigged, as shown on Section frame 102, one boom is guyed so that its point plumbs the hatch of the collier while the point of the other plumbs the scuttle on the vessel being coaled. used; a rope from each drum leads to the load through a block on the end of each boom. One winch with two drums is One drum hoists while the other pays The pendulum rope and clamshell bucket is used to fill the hopper and from it the bags are filled. They ] See Section frame 50. : The maximum load of coal which can be handled by the clamshell bucket is 2,240 lb., and by the two-boom method is 6,240 Ib., in- known patent cantilever framed system, with topside water-ballast tanks, to the order of Messrs. Delmas Freres, of La Rochelle, proceeded to sea for her of- ficial trials. The vessel has been built to Lloyds highest class under special survey, and to comply with French law requirements, with engines aft. Her leading dimensions are 301 ft. by 43 ft. by 21 ft. 4 in, and she will carry over 3,700 tons on 18 ft. 4% in. draught, with a net register of 1,230 tons. The ship thus carries over three times her net register tonnage. Water ballast ca- pacity is 1,165 tons, of which 485 is car- ried in the topside tanks under the deck. The holds are perfectly self-trim- ming and free from all obstructions such as beams, pillars, or web frames. She has four holds and four large hatchways 25 ft. wide, the longest of which is 35 ft. 5 in. A notable feature is that all the hatchways are covered with portable steel covers which are easily removed in five lifts by the der- ricks and require no tarpaulins. The vessel has two masts, four derricks, five steam winches, steam windlass, steam steering gear, and all the latest appli- ances for the rapid handling of cargo. Triple-expansion engines, placed aft, having cylinders 22, 35 and 59 by 39 stroke, with two large single-ended boilers, working at 180 lb. pressure, have been fitted by Messrs. Richard- sons, Westgarth & Co., Ltd, of Mid- dlesbrough.