566 THE COLLIERY GUARDIAN. March 12, 1915. jaw B, it is by a rocking action at the same time moved outwards, that is, out of register with the said jaw B, as shown in fig. 3, and is again returned into register with the fixed jaw B when it is moved up to the latter. The result of this action is that the opening between the edges of the two jaws A and B through which the rope has to be inserted and withdrawn is, as shown in fig. 3, not only made wider with the same upward movement of the upper jaw A, but the said jaw’ A is in a much more convenient position for inserting the rope, and this process is therefore facilitated. The slide D which carries the upper movable jaw A is not straight, but is bent in the direction of its length, the front surface being concave, whilst the back surface, which bears on a flat seat on the main part C, is convex, so that it can rock on the said seat. The cam G, which is either eccen- tric or externally shaped, so as to act on a part H on and depress the upper jaw A as usual,' is provided with an inner came surface G1, which acts on the lower end of the slide D, and moves the upper jaw A into register with the lower I) FiqA,. '■i a A jaw B, as shown in fig. 2; at the same time it is closed, and acts on the upper end of the slide D, and moves that inwards, and the jaw A at the lower end out of register with the fixed jaw B, as shown in fig. 3, when the cam G is turned to release the said jaw. The upper end of the slide D is further provided with a backwardly extending horn or curved extension J, which works through an opening C1 in the main part C of the clip, and the action of this curved part J when the upper end of the slide D is moved towards the main part C, as previously described, serves to raise the slide D and the upper jaw A. The latter is by this arrange- ment positively raised, and at the same time moved out- wards when the clip is released from the rope, both being effected by an angular movement of the cam G, and, in addition to this positive opening action, the jaws are retained open ready to receive the rope , again. The reverse action takes- place when the cam ,G is moved in the reverse direction, but in this case the periphery of the said cam also comes into operation, and acts on the upper face of the part H on the jaw A, thereby completing the closing and gripping action. If preferred, the lower end of the upper jaw slide D may be provided with a horn or curved extension work- ing through an opening in the main part, in the same manner as that at the upper end, or as shown in figs. 2 to 4 of the drawings, rearwardly extending parts A1 on the ja_w A work on each side of the main part C, and assist to retain the jaw A in its proper position. In order to provide an adjustment for wear, the cam G is not mounted directly on the fixed axle F, but upon the exterior of an eccentric sleeve K (see fig. 4), which is itself mounted on the axle F. By an angular adjustment of this eccentric sleeve K, the position of the cam G is adjusted so as to close the jaws of the clip to a more or less extent. The sleeve K is locked in position by providing its inner end with teeth or notches K1, which engage with one or more fixed projections L, either on the collar on the axle F as shown, or on the main part or body 0 of the clip.. , (Five claims.) North Staffordshire Institute of Mining and Mechanical Engineers. — A general meeting of the members of this institute will be held on Monday, March 15, 1915, in the Central School of Science and Technology, Stoke-on-Trent, at 5 p.m. The following paper will be read : “ Coal Dust Explosions,” by Mr. J. D. Morgan. Hull Coal Imports.—According to the return made by the Hull Corporation’s coal inspector, Mr. W. Herbert Truman, 322,480 tons of coal were brought into Hull during February, of which 295,864 tons came by rail, and 26,616 tons by river. The corresponding figures last year were 518,393 tons. Imports for the two completed months of the present year amounted to 700,386 tons, compared to 1,028,430 tons in the like period last year. Shipments coastwise in February were 46,112 tons, and for the two months ended therewith 109,118 tons. Exports for 'the month totalled 170,658, as against 261,646 tons, the aggregate for the two months being 355,311 tons, as compared with 485,211 tons in 1914.’ The export figures, of course, are exclusive of coal shipped for Admiralty purposes or for the use of the Allies’ Governments. MEW PATENTS CONNECTED WITH THE COAL AND IRON TRADES. Applications for Patents. 3224. Botary and centrifugal pumps. W. G. Boonzaier. 3225. Process for cracking hydrocarbon bodies of the ben- zene or ring series for producing other hydro- carbons of the same series, notably toluol, benzene, and the like. E. A. Ashcroft. 3228. Pumps and the like. H. Parkes. 3237. Process relating to the treatment of waste ammoni- acal liquors from carbonising works. B. Ely and A. Bollason. 3295. Stone breaking and ore crushing machines. W. H. Baxter. 3300. Electric conductors or cables. W. E. Hitch. 3308. Economising coal and coke and the like. D. C. Clarke. 3350. Steam superheaters for locomotive and other fire ■tube boilers. A. Spencer. 3390. Biddles. W. A. Bussell. 3393. Mine shaft signalling apparatus. B. S. Scott and J. Wheatley. 3397. Cracking oils. Lucas’s Low Pressure Oil Cracking Process Limited, and O. D. Lucas. 3423. Manufacture of armour plates. John Brown and Company Limited, and T. J. Tresidder. 3427. Manufacture of steel alloys. Soc. Anon, des Acieres et Forges de Firminy. 3449. Self-oiling wheels for . colliery corves and other vehicles. Samuel Osborn and Company Limited and H. Bradley. 3455. Methods of laying wires, cables, pipes, and the like underground. E. H. Hobling. 3457. Furnaces. P. K. Pickard. 3479. Pit prop. V. A. Verner. 3500. Automatic electric circuit breakers. H. H. Groves and H. Brittain. 3511. Igniters for use with safety fuses to explode blasting charges or the like. W. F. Bennett. 3586. Appliance for grinding and sifting into very fine powder from solids any substance that may be required, commonly known as a pulveriser. W. A. Dawson. 3632. Process for the recovery of toluene from coal gas. S. S. Field, and South Metropolitan Gas Com- pany. Complete Specifications Accepted. (To be published on March 25.) 1913. 26577. Belting for conveyors and the like. Lawler, Ayers, and Wright. 1914. 2649. Gas producers. Moore, and Dowson and Mason Gas Plant Company. 2948. Process for the production of motor fuel. Hall. 5051. Purification of illuminating gases and Mond and other gases for heating or power purposes. Howl and Perry. 5734. Manufacture of lime and gas. Pearson, and Chalk Fuel Power Gas and By-Products Corporation Limited. 5845. Apparatus for heating peat pulp or the like. Inter- national Nitrogen and Power Company, Buckle, and Lucas. 5879. Turbine installations for marine propulsion. Alquist. 5880* Beversible elastic fluid turbines. Alquist. 7315. Botating piston pump. Thune. 7757. Begenerator settings for vertical, retorts. Glover and West. 9182. Device for signalling and indicating applicable to the winding plants of coal mines. Wilson. 9634. Controlling devices suitable for the cylinders of loco- motives. Stenning, and Schmidt’s Superheating Company (1910). 11935. Shackles for coupling colliery trams and for other purposes. Williams. 15310. Drills. Beveridge. 15395. Turbines or rotary motors. Hauer. 15525. Automatic apparatus for the loading and unloading of agglomerated fuel and the like. Gauduchon. 19166. Mechanically stoked furnaces. Johnson. (American Engineering Company.) 20474. Drawbar yokes for railway cars and the like. Cantley. 22304. Bailway trucks. Mower and Thursfield. 23342. Axle boxes for railway vehicles. Woodhead, Elliot, and Middleton. 24180. Badial flow steam , or gas turbines. Aktiebolaget Ljungstrbms Angturbin. Complete Specifications Open to Public Inspection Before Acceptance. 1914. 9291. Manufacture of condensation products of phenol and substances containing methylene radical. Bedman. 1915. 1757. Steam and gas turbines. Akt.-Ges. der Maschinen- fabriken Escher, Wyss et Cie. 2938. Air compressors, vacuum pumps, or like apparatus. Wilkander. Applications to Avoid or Suspend Patents or Licences. No. and year of patent. Grantee. Applicant. Date of hearing. 1673/08 28027/09 9269/12 \ 23555/13 1 14702/12 27949/12 Ries. (Retort and chamber furnaces). Ofenbau- Ges. m.b.H. (Apparatus for closing the doors of retorts,&c.) Berlin - Anhaltische Maschinenbau Akt.- Ges. < Apparatus for quenching coke.) Stettiner Chamotte- Fabrik Akt.-Ges. vor- mals Didier. (Regene- rative gas-generating furnace.) Stettiner Chamotte Fabrik Akt.-Ges. vor- mals Didier. t Dis- charging vertical coking chambers.) "1 S. N. Wellington, - 39, Mincing-lane, London, E.C. Mar. 17 Applications Withdrawn. No. and year of patent. Grantee. Applicant. 29019/04 ■) 17828/065 Flottmann. C The Flottmann Engineering 1 Company Limited. GOVERNMENT PUBLICATIONS. *** Any of the following publications may be obtained on application to this office at the price named post free. Colonial Reports : St. Lucia, for 1913-14, 2Jd.; St. Vincent, 1913-14, 2Jd. Statutory Bules and Orders, 1915 : (No. 140), Trading with the Enemy: Occupied Territory Proclamation, ljd.; (No. 48), Unemployment Insurance : Supplementary Begu- lations, IJd. COAL MINES FORM : (No. 72), Rescue Work, Id. Trade iand Navigation Beturns for February, Is. lOd. Legal Proceedings Against Enemies Bill, ljd. National Insurance : List of Approved Societies, January 1915, Is. PUBLICATIONS RECEIVED. “ The Journal of the South African Institution of Engi- neers ” (Vol. 13, No. 7), February, price 2s.; “ Gassier’s Engineering Monthly ” (Vol. 47, No. 3), March, price Is.; “ Anglo-Norwegian Trade Journal ” (Vol. 1, No. 2), February; ‘ ‘ Excerpt Minutes of Proceedings of the Insti- tution of Civil Engineers”; “The Stability of Weir Foundations on Sand .and Soil Subject to Hydrostatic Pressure,” by W. Maurice Griffith; “ The New Harbour Works and Dockyard at Gibraltar,” by Adam Scott; “Bail Steels for Electric Bailways,” by W. Wilcox; “ Bail Corrugation and its Causes,” by S. P. W. D’Alte Sellon; ‘ ‘ Extensions of the Hudson River Tunnels of the Hudson and Manha’ttan Bailroad Company,” by J. Vipond Davies; “Steel Forms for Beinforced Concrete Conduit, Catskill Aqueduct, New York,” by W. Franklin Dennis; “The Strength of the Ideal Column,” by F. Toyer Chapman; ‘ ‘ An Application of the Graphical Method of Deflections to Statically Indeterminate Frames,” by C. H. Lauder and B. Cotton; “A Method of Setting Out the Transition Curve in which the Radius Varies Inversely as the Distance from the Origin,” by W. Hewson; “The Connection Between the Elastic Pheno- mena Exhibited During Slow Reverses of Stress and the Ultimate Endurance of Steel,” by W. C. Popplewelf; “ The Diaphragm Method of Measuring the Velocity of Fluid Flow in Pipes,” by Holbrook Gaskell, junr.; “ The Formation of Standing Waves in an Open Stream,” by Prof. A. Hartley Gibson; “ Abstracts of Papers in Scien- tific Transactions and Periodicals”; “Gypsum in Canada : Its Occurrence, Exploitation, and Technology,” by L. H. Cole (Department of Mines, Canada). Imports of Pit Props in February. — During the second month of the year 130,766 loads of pit props were imported into the United Kingdom, the value being £187,322. In February last year 135,343 loads were imported, valued at £145,558. The aggregate imports in the first two months of the year reached 248,521 loads, as compared with 300,750 loads in the previous year, the values being £375,368 and £322,304 respectively. Shipments of Bunker Coals.—During February the quan- tity of coal, etc., shipped for the use of steamers engaged in the foreign trade was 1,301,083 tons, as against 1,615;132 tons in February 1914, and 1,539,410 tons in February 1913. The aggregate so shipped during the two completed months ended February 28 was 2,678,164 tons, as compared with 3,346,144 tons and 3,297,089 tons respectively in the corre- sponding periods of 1914 and 1913. Oxygen Resuscitating Apparatus. The Safest and Most Reliable Means of reviving persons apparently asphyxiated is to administer Oxygen by a simple form of apparatus, as shown, and at the same time use the Schafer method of resuscitation which is known to all St. John Ambulance and Red Cross Students. BEWARE of Automatic Suction Appliances. — Vide Eminent Physiologists’ REPORTS. ALSO MAKERS OF “Proto” (Fleuss-Davis Patent) Rescue Apparatus. SMOKE HELMETS. RESPIRATORS. GAS ANALYSIS APPARATUS. SIEGE, GORMAN & CO. LTD., “Neptune” Works, LONDON, S.E. Telegrams-“ Siebe, Lamb. London?’ Telephone No.-251 Hop. Agent for North America and Mexico-H. N. ELMER, 1140, Monadnoch Block, Chicago. Driving Chains & Wheels Conveyors, Elevators, Screening Plant, Tipplers, &c., &c. on war office and admiralty lists. HANS RENOLD LTD./Didsbury, MANCHESTER. ALFRED ALLEN & SON Makers of and COLLIERY TUBS In IRON, STEEL and WOOD. Uo-wer Gomal, nr. Dudley. Telegrams—0 Allen, Lower Gornal.” Telephone—106 Dudley.