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60 STONE'S UNDERLINE ASH. EX-' PELLER. The accompanying illustrations are two views of Stone's patent under- line pneumatic ash and clinker expel- ler, one view showing an elevation of the machine itself, the other a sec- tional view of a ship with the' expel- ler in action. This ash expeller has been especial- ly designed to meet the requirements THE Marine REVIEW accessible! fof Zexamination, whether at sea or in dock, the whole apparatus being self-contained, and only requir- ing a coup!e of pipes to be connected to it. It is absolutely silent in its working, causing none of the annoy- ances experienced where ash discharge pipes are carried through partitions and decks in the vicinity of cabins. The fact that the-pipes do not lead through what is ofttimes inaccessible FRONT ELEVATION OF STONE'S ASH EXPELLER AS FIXED IN STOKEHOLD. . of every-day ship use, and embodies in its construction many. advantages over the ordinary type of ash expeller discharging from the side of the ves- sel. In addition may be mentioned its ability to crush and dispose of such matter as clinker, fire brick, or other foreign substances. Engineers will appreciate the superiority of a type of ash expeller that dispenses with the necessity of studying weather conditions on deck, working ashes up on the leeward side of the vessel, or holding the ashes below till better weather prevails. All parts of the expeller, which is driven by air motor, are at.all times parts of the coal bunkers is another advantage. As the ashes are projected with suf- ficient velocity to carry them deep enough to clear all suctions, no trou- ble is experienced from that source. Past experience has also proved that there is absolutely no scoring action of ashes on the hull of the ship, or possibility of their coming in contact with the stern tube. The Stone's patent underline pneu- matic ash and clinker expeller is con- structed at the Exeter Machine Works, Pittston, Pa., the representa- tive being W. Carlile Wallace, 26 Cortlandt street, New York. LIFE-SAVING CABLEWAY FOR . -SHIP USE. There is now in course of construc- tion at the yard of the Pusey & Jones Co., Wilmington, Del, a vessel for the revenue cutter service which: will be unique in having as part of its equipment the first life-saving cable- way for ship use. The boat is being built in response to urgent requests for better life-saving facilities on some parts of the Pacific coast, and will be stationed at Neah Bay, within five miles of Cape Flattery. She will be 152 ft. in length, and is to cost $189,057. The life-saving cableway, in the words of the inventor, Spencer Miller, of the Lidgerwood company, is the regular breeches buoy apparatus used along our coasts, plus an automatic reel. Without the automatic reel the breeches buoy would be impracticable between a moving ship and a wreck; with the automatic reel the apparatus becomes practicable. The function of the automatic reel, therefore, is to maintain a uniform tension in the ele- vated line or hawser, but permitting its length to vary as the motion of the ship or ships demand. It must pay out the rope without jerks un- der tension as the ships separate, and wind it in rapidly as they approach. Furthermore, it must + permit the breeches buoy to 'be workable at 300 ft. thom «whreek to tug, should the water be deep enough, or 1,000 it. should such 'be necessary. This auto- matic reel will have a maximum in- pulling power of 2,000 lbs., which may be reduced at will, and will wind in the hawser at the rate of 1,000 ft. per minute, which is believed to be far in excess of the requirements. The means for landing the passen- ger safely on deck is the same haul- ing-down device which has been so successfully employed in the marine cableway for coaling at sea, also the invention of Mr. Miller. Tackle is secured to a pulley which runs upon the hawser or upper cable some 30 or 40 ft. abaft the main mast, and, on the approach of the passenger, by this means the main hawser will be hauled to the center of the quarter deck of the cutter, inwardly as well as down- wardly. At the general meeting of the So- ciety of Naval Architects and Marine Engineers, in November, Mr. Miller referred to the report of the life-sav- ing service for last year which show- ed that 189 passengers were brought ashore in the breeches buoy alone. Considering the limitations of the breeches buoy, this is a remarkably good showing, and, considering that