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THE MARINE , RECORD. SOUTH CHICAGO HABBOB, AS«l««nt United Stiitcs Engineer G. A. M Mljeiicniniz Inn Just odmplaitHl the, Bounillnir" of 8outn t'hloiigo Imrbnr, In 'nroparntlon tor oatMrnllnij the ♦*0,000np. moprlatloii. Heflnuuhochannel nppnrentiy Id good condition, n« nenr as ciin be necer- ulned before thfl iflnp Is completed mid umn- mlrod with the previous surveys. Owing to the prevailing north wind* tho wiitcr It about two feet rImivo vlllnge iIhUmii. Moer of the appropriation will • probably be or ponded lu extending thiMouth pier, which now lacks about 9,100 feet of being out as far as the north pter. It li possible Unit owing to the Intonoss or the Beaton, M»J. Banyaunl mny decide not to call for bide for this work till next pprlng. Tho $60,000 npproprlatlon fof the Calumet rlver.will mostly be expended In drodginu unci straightening the channel of tho river to a width of two hund.ed feet. At tho United States engineers can not take any private property for the two hundred foot channel without laying the government liable to suite fordamage,thurdo ngt'purpote to commence the work mull tlio government bus the title I if feo simple to whin will be re¬ quired to cooYplete the channel. The United btates government owns the bed of the river. There ure three places In the line of the pro- jiosed improvement where, in straightening tho river, It will be neue.miry to leave the old ' bed und take tho whole two hundred feet from private citizens. The first bend above the Inn bor U held by Bot Little and claimed by the Snutli Chicago dock company. Should the litigation over this property prevent the government trom securing the title to two hundred feet ncros* this bend It will be it bur to all improvement* iibove\ us the United btates engineers do not propose to (kip anv Sortlon of the dm It line established by Ma), anyiuird and commence Improvements ubove. As matters now Htand, there 1b much doubt as to the expenditure of much of this $G0,000 during the present working season. The extensive and permanent improve¬ ments of the South Chicago dock company, under the supervision oi Engineer A> »• Powell, are worthy of notice. The dock company are Just completing a subfUutlnl breakwater from tlicsquihr pier of the harbor east, 1,725 feet In leiijth, protecting the entire lake front ot the property owned by the dock company eust of the Calumet. South of tilts breakwater and paralled with it they are docking and dredging a slip 140 feet wide and 1,600 feet In length. This slip Is north of the old Douglas slip, which Is now cdmpletely filled up by the aotlon of the watera of Lake Michigan. The dock Is now nearIy~couiplete from Nthety-sccondr street bridge north to the new slip.______ Onlng to their inability to land the ma¬ terial at the Hyde Pink water works,Messrs. Hesn & Corbyn, contractors for building the Inlet crib to the water tunnel, are obliged to build the crib at South Chicago, and llua' It to lu locution, vi Idol) Is to be about one mile from tho shore, opposite the water vvorks This work is to be completed November 1, st which time the tunnel will also be com¬ pleted and eonnected with the Inlet.—CAi- cago Timet. quickly beoau o she was strhek amidships. iift» *E» IV* 'urthcf Ki'nranteos of exemp- on from disaster, so far as thoy oan bo pro- vlded by mechanical devlcci, wo are drlvon £,ii °n° con<>l»»lon-vl7..i that the ordinary bulkhead nor, being an effectual safeguard, certainly ,ff not carried up beyond he main deck .every first class pa.Benger h?MTri.'h0"l2 hu,w *l,ncr longitudinal bulkheads or be built throughout on the cellular plan of con«(ructlon, with amnio air spaces between the outer sheathing and the •skin" or Interior lining, The hitter device nns been Introduced In some Instances. Both plans Ate open to objection, is nn Influx ot water Into a longitudinal section would give the vessel a dangerous "lls|," while the cellular arrangement would hurdlv save the engine room from Hooding .In case both sheathing and skin wore badly punctured. Uut either S}stem would possess"one advan¬ tage of paramount Importance-steamers would be unsaleable, so far as It would seem possible for human Ingenuity to'glve fhenV (his Ineetlmnte quality. AN lMl'OBfAN I' QUESTION. There vv III be an Important question to dc tide when tho esse ol the schooner Typo against seycral Insurance companies conios 4ip before the United States cqurt com¬ missioner ,for hearing: The question Is whether or not the captain und orew can abandon a vessel to tho underwriters be- cause they might believe that she U In Im¬ minent peril of becoming a total losi. The owners ofttho Typo olnlm a total loss, and they abandoned the vessel to the under¬ writers, or at least her master did so. She was subsequently rescued and towed Into port. If the question is .decided adversely tur (he Insurance companies It will result In a general revision of tho phraseology of contracts In policies, because, were the con¬ tacts permitted to remain its they are, the /Insurance companies would be .entirely at the mercy of captains and vessel men. They jure considerably worked up over the mutter, And are awaiting the result with impatience, because if they aie beaten their business for 'this season will be greatly affected. Every 'vessel which happens to get ashore In a dan¬ gerous locality (luring,the fall storms will un doubledlv be thrown on their hands. Then there Is another question which the In¬ surance men want to have decided quickly. It was written up very fully in the Inter Ocean some days ago. It Is whether or not the cost Of releasing a stranded vessel can b« added to the bill of repairs In order to make a constructive total loss. TIJfto ire entirely new questions In lake marine un¬ derwriting, and II the ineursnoe companies can not get decisions In their favor they will do business a good deul differently next sea¬ son. UNS1NKABL.E SHIP'S. . lu speaking of the numerous casualties that have resulted from collisions at sea the Iron Age says: "Is there no effectual pre- ventlveoffatal consequences from collision- HtecaV Are these bloodcurdling catastro¬ phes a necessary concomitant of steamship navigation? Are bulkheads a false lellance when, from any cause, the sides of an ocean steamer are crushed? Our readers doubt- lets have vividly In mind the wonderful preservation of the Gulon steamer Arizona, which landed her passengers in safety after contact with an Iceberg, and despite tho fact that a considerable portion of her bow was wholly demolished. The case of the Nevada Is another Instance of demonstrating the value of bulkheads, if properly built, ulvwiys ■ assuming that the ii on door moiailuiluslon tu the compartments are otosed when the ship Is under steam. Nevertheless, us In the case M the State of FlorldaVjt is painfully ap¬ parent thut steamships liro vulnerable In their uiobt vital part. Captain Comirou, ol the Mly of lllohmond, says there Is not |i uteuin- ir which comes into the City of New Yo k lliat will not sink If she Is uut iluun amid¬ ships. The boiler space Is so large on all "•learners that if It becomes filled with water the steamer cannot keep afloat. Mr 1'- Kunhurdt, ot long experience In steamboat matters, says: "The trouble Is that time bulkheuds run up only to the main deck, Instead of to tho spar deck, and that there l« next to no margin buojancy left when one ol these big steamers I* loaded down. The safety does not consist In the display of free board, but Irjjtre-irmoiint of actual buoyancy -thuli.'feiistance to linking—which ra- mitns in the vessel. It Is a mere question of displacement) and center of gravity, and It uin be told at once Just how much water It would be neoessary to let Into tho vessel to 'ake the place of the air In the hold before >he ship would go down. The letting of witter Into a single compartment of au im¬ properly loaded or overloaded steamer sends nor to the bottom like uny other piece of iron," Mr. Austin Baldwin, ngent of the State line, to which the State of Florida belonged, allriiis that his steamer was amply supplied villliBafciy compartment', and she sunk so TESTING MARINE BOILER PLATES. A reporter for the Detj nit Post and Trib¬ une recently watched the operation of local lin-pectorsol steamboats teMlug boiler plates, and has this to say about it: Inspectors Dally mid Hide " ere fit work on u Relhle Brothers', hydrostatic scale, a de¬ vice which may be Juicily described as an ordinary lever balance, the notched weights being placed on n plate attached to the lower .end of a pendant rod, one un top of the other. The long lever is bahuiced In the center of two strong iron pillars and attached to it beneath and between the pillars la a wrought Iron gripe Into which one end of the bit of sieel or Iron boiler to be tested Is placed. Beneath this gripe Is another filled to the top of a cylindrical support which Is rulsedor lowered by means of the lever of an ordinary force pump. Oil is used in the pump Instead of water foi the reason that it will not freeze so rendlly In winter, und because the opera- torn say ft works better. The pieces of steel and iron, sent from the shops from every part of tho United States that produces the metal, are about eight Indies long by two Inches wide, and vary trom 20-100 of an Inch to 57 100 in thick, nese. Half circles are cut trom each side about the middle of each piece to form a breaking point of about an Inch In width. Each piece Is Inserted vertically in the gripes alluded to, weights aio placed upon the pendant end of the scale arm; the lever of the pump Is worked, and when the break¬ ing point Is reached the piece Is literally pulled In two with a loud noise. The test is not finished when the lion or steel ondurcs the required strain; but the plate Is examined and measured to And what Is technically termed the percentage ol reduction, that Is to say, to ascertain how lliln tile metal becomes, and bow much the piece is nai rowed by stretching. The metal which bends at the greatest number of pounds weight, and stretches the longest In the process la esteemed the best for boilers. The Iron or steel must be ot the proper degree'of1 hardness to endure the standard pressure. Yet at the same time, as the metal must undergo expansion by -tieat and contraction by cold, Its power of endjir lug these changes, which Is Indicated by the length It stretches, Is prized as highly as the required degree of rrardnoss. All of the plate Intended to enter into the canstructlon of Dollers to be used In boats owned In the eighth district must be sub¬ mitted lortest by sample lu Detroit before It cun be used. Texts ujlll bo ma.de each day unlil the nuineroUit samples now on hand are llnlshed up. 8«ndfor.a»ldlo(ii"i. SIGNAL LAMPS, -WITII- Patent Fluted Lens And Perfect Colors. i . —<>^— GET THE BEST &'AVOID COLLISIONS. These Lamps (rive s mom brillant Unlit thin »ny signal Lamp nor In on. They hawboen adopted by'tlie principal Ocean and Lake Steamers and Vassals, and are for sale la the prlnclpnlnorWontheAtlantlccoast and likes. ■ French Wrought Iron Ranges and B oilers for Steam¬ ers and Hotels, Manufactured by Felthousen & Russell, MO* 141 MAtNST., BUFFAIO N. T. THE ETNA GRATE. g. c; BAEiS, Itt. This Improved Shaking Grate EspeciallyAdapt- ed to Burning Slack. Globe Iron forks, Hannrac's., ^ Office and Foundry, eomer ot Elm and trf>' 8prucc-«te, CLEVELAND, O, ST. MARY'S OHIO. MONTPEUER, OHIO. OslH FACTORIES. BRECKENRIDGE, MICH CARROLLTON, MICH DE GRADW, AYMAK & CO., IUXUPaCTURRIU) AND IMPOltTKRg OF Cordage, Oakum and Anchors, Wire Rope, Chains, Oars, Blocks, Buntings, RUSSIA B0LT-R0PE, FLAGS, COTTON & FLAX DUCKS, Marine Hardware and Ship-chandlers' Goods Gewnally. 34 and 35 Souttvst, New York. ^T^E. WILSON, All Kinds of Water Work D0XEPR0MPTL1 TQbRDMR HEADQUARTERS, Upson & Walton's, <River Street, Or, 137 Hermann-St, Cleveland, 0. FOR SALE. Quarter Interest iB tb6 larse To&r Samson, One of the molt powerful Itigi on the Idkes She was buUlat St Catherines by Bhlckluna. rebuilt In 1881 and memurea 181 [new] tonnase. She li atralttht A2, vitb Iniuranm i luntlon of (16,000, and can bo Insured for 119,000 Will Ml! quarter for $3,400, pari* caih, bal- jince on ea«y termi. Addreal Marink Iticonn For Sale or Exchange, Tug Annie Robertson. Length ovo- all M 3*10 fe«t, breadth 13 8 10 foot und doptli of hold (1 feet, draw« blA (©fit of witor, meaaurei D.H-lOOO.i'Wi tcitiri nndlB SI-lOOoU Built In I860 md rebuilt this spring now deck fraroea and cabin, and muohlnury thoroughly overhauled Duglno li 14xU ho ler 8^; fiet long and 4 FM21n diameter. War raiiltd In No 1 condition and subject to Impaction, Price, 13,800. AddrtnH Marine Record Office FOR SALE, One-Half Interest in a Mew Steam Yacht. To an ENGINEER who will fit« hli own lervloM. For full partlciilara add rest, v DEVUN A CQ,, JJarlae ConToyaDcerr, 160 Waihingten-at Chicago FOR SALE Her length 111B6 leel, beam 20 leet, and hold, 10 fuel 10 Inches Boiler 17 feet long 7 feet diameter, three auee. two 10-Inch and one 17-inoh Engine Ml*!, Carriei 240,000 feet ol lumber Bueed, 11 mllea. Iff ot and • 1-2 leaded. Insurance Tsluatlon, I1S.800. Ad- drauHARmvRioOBDOrlce, No, 144 Superior street, Clereland, O, FOR SALE, ^ A Fine Harbor Tug. DlmemtoDf or bull 85 feot over all, (0 feet beam, 8 feci hoid, and miNaurui 40/toni with 7 feet draft, can bo midefl feet draft The oKgloe, 18x20, li In flnt-clm» condition, with all new brans*, new rings In cylinder and turn* a ilx-foot wheel, which waji new lait seaaon. The boiler Is one jrar old, in large enough to burn vrood or coal und ii allowed 100 pounds of aieauu Price 14 SOU, and must be sold Inalde of thirty days, Addreal M>iunk Record Officii, Vessel men SHOULD HAVE . OUR MARINE LAW BOOK, Containing itll i-mnin of MARINE LAW as do termlntd by the United Matt* Court* genmen, Freight*, Towage, ColUslona, Owners, Charters, R«WUtry. enrollments, General Average, Common Carriers, Duller of Seamen, Masters A Owners, BUI of L»tUuif. Waves, *c. The volumu Li handnoniely bound In itlff Board co ten, and line Hint Unit cloth bludfng* Bent to any address pottMige paid for fl 00 FOR SALE. AT THE GLOBE IRON WORKS. SECOND HAND TUBULAR BOIL'It,44Inchesdi. ameter. 43 tubes 3 inches diameter and 12 feet idk|, ■team drum 0Q Inches dlamster, 40 Inches high, front grates, fittings and breeohlngs, good order SECOND HAND MAIUNK BOILER, In goofl order) Shell, 7-10 Inch Iron plain, diameter.4) del Olndtoa length, IS feet, 120 tubes 4 inches In diameter, 11 feet 4 inches long, three flues 18 inchee diameter, *wo flues 10 Inches diameter, two fluui 101-2 Inches diameter, fire box, 0 feet lonn, -4 feethlgh, ileam chimney, 7 feot high. SECOND HAND MARINEBOILEK lour feet vide, > 1-3 foot long, IS feet high, ilitA-four-a 1-J inch tubes 00 inches long, coil Iron brecebng, good u°new. BED IN D HAND MARINE ENGINE, double direct- acting 8xB Inch cylinder, ehait and wheel for yacht or tug*, good as new •>