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Turecamo Girls (Continued from Page 21) air compressor of Worthington make. The usual air bottles for start- ing air are supplied. An auxiliary generator is driven by belt from a pulley on the shaft of the main en- gine for use when vessel is under way. The stern tube is fitted with a Goodrich cutless rubber’ bearing, lubricated by a pump, belt driven from main shaft. Attached to and driven by the main engine are the following: two lubricating oil pumps; one circulat- ing water pump; one fuel oil transfer pump; and one large two stage type air compressor with intercoolers. Fire and wrecking pump is a special S$ ineh motor driven, self-priming Carter pump. The sanitary pump is of Westco make, motor driven and is manually controlled. A hydroil centrifuge supplied by Goulds Pump Co. is fitted for purify- ing lubricating oil. Oil is also filtered by a Sentinel filter and further filt- ered by a special type Winton filter. A lubricating oil cooler of straight tube type is also fitted. The fuel oil is purified by a duplex strainer in suction line from tanks and on the discharge side of pump it passes through a Sentinel filter. A Decatur automatic pump and tank is fitted for fresh water pres- sure system, drawing from _ fresh water storage tanks in lazarette. The whistle is Tyfon type, operat- ed at 400 to 100 pounds pressure and controlled from the wheel house. Edison storage batteries of 20 five- cell trays are fitted. A fire nozzle is located on top of the wheelhouse and there are hose connections on side of deckhouse, including wrecking hose suction. Portable Lux fire extinguishers are fitted for extinguishing oil fires. A heating boiler of National Radiator Corp. make, fitted for oil burning supplies steam tor heating vessel at 15 pounds pressure. Stack for ventilation contains muffler, exhausts and galley smoke pipe and oil tank. A well propor- tioned stack is fittted. Steering Gear and Capstans The tug has a hydro electric steer- ing gear motor and pump located on platform at after end of engine room with pipes led aft to hydraulic rams of steering gear located on main deck, operating tiller on rudder stock. Steel watertight box protects steering gear and hawser wood grat- ing is placed over same. A motor ariven, powerful warping capstan and hawser puller is located aft. The steering gear and capstans are of American Engineering Co. make. The tug is fitted with electric lights throughout and has all neces- sary running and towing lights for harbor and ocean service. A power- ful searchlight is located on top of 40) wheelhouse. The switchboard was built by the Bath Iron Works Corp. and all electric work was installed by the shipyard. The towing lights are carried on two wood masts. A 14 foot metallic lifeboat is stowed in chocks resting on flat top- ped engine skylight and is handled by a pair of davits with necessary blocks and falls. Life preservers, life ring buoys, fire extinguishers, fire buckets, axes, hose, etc., are sup- plied as required by United States steamboat inspection service. Rope fenders for bow, stern and sides are provided. The vessel was fully equip- ped by the builder with all cook’s, steward’s and deck equipment. The TURECAMO GIRLS presents a vel'y fine appearance, being beautifully proportioned and having all usual brass fittings, such as airports, door hardware, hose’ connections, fire nozzle, running and towing lights, searchlight, ete. finished in chrom- ium plate to dispense with polishing. The colors used in painting hull and superstructure give a _ very pleasing finish to a very fine tug. Commerce at Los Angeles The total water commerce at Los Angeles for the month of June aggre- gated a little more than $60,000,000 in value and 1,707,000 tons in volume. This represented a slight increase over the month of May, but was about $3,- 000,000 less in value than for June, 1932. For the year ending June 30, the volume of water commerce at Los An- geles aggregated 16,231,000 tons in volume and more than $680,000,000 in value. This was a decrease from the preceding year of approximately 3,- 000,000 tons in volume and $162,000,000 in value. It should be noted, however, that these figures include only the com- merce of Los Angeles harbor, where- as a large volume of oil shipments have been diverted to Elwood and El Segunda and other oil ports of South- ern California. The figures for Los Angeles harbor, therefore, do not indi- cate the true economic status of South- ern California, inasmuch as the busi- ness of these other oil ports is cen- tralized in this region the same as is that of Los Angeles harbor. Exports for the year fell off a little less than $14,000,000 in value and 800,000 tons in volume. Imports, how- ever, showed a comparatively small decrease as did also commerce with Hawaii. Domestic trade in all lines showed a decrease aggregating more than $140,000,000, but it is notable that for the month of June domestic trade was nearly the same in value as for the same month of last year. Moreover, there is a distinct increase in demand for shipping space at the present time, indicating that water commerce as a whole is making a very decided advance. MARINE REVIEw—August, 1933 Railway Dry Dock (Continued from Page 18) equipped with flat steel plates be- tween which the rollers operate. By this means, the friction is minimized and the necessity for lubrication is entirely eliminated. Two chains arranged on an end- less system and operated by an elec- tric hauling machine are used for hauling the cradle. The hauling chains, of heat-treated manganese east steel, without welds, pass over toothed sprocket wheels on the main shaft of the machine and then back along the track. The lower end of each is attached to a smaller back- ing chain, which passes through a submerged sheave, then returns on itself and the other end fastened to the cradle. The hauling machine is sufficiently powerful to haul a ca- pacity load in 20 minutes. Designed in the United States This railway dry dock was designed and constructed by The Crandall En- gineering Co., Boston, which has in- stalled over 175 of this type. The retaining walls and concrete work were carried out with the collabora- tion of Etablissements Sainrapt & Brice, Paris. The project was for the French ministry of public works under the responsible charge of M. Outrey, chief engineer, and Mr. de Viry, engineer of new constructions, of the administration des ponts et chaussees. Commercial operation and managament is under the port fa- cilities of the chamber of commerce of Boulogne-sur-Mer, of which Mr. Lavoecat is president and Mr. Pru- nieras, secretary general. Propeller Club Convention The annual convention of the Pro- peller Club of the United States will be held at Pittsburgh, Oct. 12, 13 and 14. The Pittsburgh Propeller club, acting as host, is making elaborate preparations for the entertainment of delegates and friends attending the convention. Arrangements are being made for reservation of seats for the Navy-Pittsburgh football game, Oct. 14. The convention business sessions are of more than usual importance. Constitutional changes necessitated by growth in membership and enlarge- ment of activities will be presented. The agenda for discussion at the con- vention is being prepared. A detailed program will be sent to members of propeller clubs throughout the coun- try by Arthur R. Bush, secretary of the Propeller Club of United States, 17 Battery Place, New York. Arthur M. Tode, national president, made a radio address on July 14 on the subject of “Interesting American People in American Shipping.”