48 



SCIENTIFIC NEAVS. 



[April 1st, if 



APPLICATIONS FOR LETTERS PATENT. 



Thd following selected list of applications has been compiled especially 

 for the Scientific News by Messrs. W. P. Thompson and Boult, 

 Patent Agents, of 323, High Holborn, London, W.C.; Neimastle 

 Chambers, Angel Row, Nottingham ; Ducie Buildings, Bank Street, 

 Manchester ; and 6, Lord Street, Liverpool. 



No. 



2910. — John Clough Thresh, 4, Mansfield Chambers, 17, St. Ann's 

 Square, Manchester. " Manufacture of filtering materials." 

 25th Feb., 18S6. 



2915. —John Critchlow, Thomas Forester, William Forester, 

 Herbert Forester, and Leonard Forester, Vulcan Works, 

 Longport, Staffordshire. " Filter presses." 25th Feb., 1887. 



2959. — HiPPOLYTE Charles Chocqueel, 67, Strand, London, W.C. 

 " Combined bell-push and automatic switch for electric alarms." 

 2Sth Feb., 1887. 



2983. — George Frederick Marshall, 4, South Street, Finsbury, 

 London. " Carbon for filtering and decolorizing purposes." 25th 

 Feb., 1887. 



3020. — Alfred Julius Boult, 323, High Holborn, London, W.C. 

 A communication from Albert Newton Russell and Addison Brill, 

 United States. " Magazine fire-arms.' 26th Feb., 1887. 



3077. — Samuel Denton, 8, Quality Court, Chancery Lane, London. 

 " Steam Engines." 28th Feb., 1887. 



3081. — William Ford Stanley, Cumberlow, South Norwood, Sur- 

 rey. "Clinometers." 28th Feb., 1887. 



3087. — Ernest Wilson, 9, Lavesstrasse, Hanover, Germany. "Dy- 

 namo-electric machines." 2Sth Feb., 1887. 



3100. — Peter Cook, 96, Buchanan Street, Glasgow. "Papier-mache 

 hollow vessels." 28th Feb., 1887. 



3102. — John Cotton, Town Hall Chambers, Bradford. " Diaphragm 

 for mechanical or acoustic telephones." 28th Feb., 1887. 



3117. — Charles Gannaway, 115, St. Vincent Street, Glasgow- 

 " Shield for ventilators used on board ship, or in other situations.'' 

 1st March, 1887. 



3123. — Herbert Jo«n Allison, 52, Chancery Lane, London. A 

 communication from Laban Dennis and Thomas Laban Dennis, 

 United States. " Steam engine cut-off and balanced valve for the 

 same." 1st March, 1887. 



3125. — Warren Dearborn House, 52, Chancery Lane, London. 

 " Electrically transmitting speech and other sounds." 1st March, 

 1887. 



3139. — Alfred Julius Boult, 323, High Holborn, London. A 

 communication from Albert Sichel, United States. " Photography 

 and photographic reproduction." 1st March, 1887. 



3158. — Percival Everitt, 4, South Street, Finsbury, London. 

 " Giving Currents of Electricity on the insertion of a coin." 1st 

 March, 1887. 



3161. — Francis Oere Ferguson, Gothic Cottage, Goldhawk Road, 

 Hammersmith. " Spring bow dividers." 1st iWarch, 1887. 



3173. — Sid Hugh Nealy and Lee Hutchins, 24, Southampton 

 Buildings, London, W.C. " Marine torpedoes." (Complete 

 specification.) 1st March, 1887. 



3178.— John Edward Thornton, 3, New Lome Street, Moss Side, 

 Manchester. "Substitute for glass for photographic purposes." 

 2nd March, 1887. 



3197.— Sir David Lionel Salomons, Baronet, Thomas Parker, 

 and Paul Bedford Elwei.l, Wolverhampton. "Separating 

 plates in secondary batteries." 2nd March, 1S87. 



3218.— James Holloway, 204, High Holborn, W.C, and Alexan- 

 der Black, junior, 31, Alconbury Road, Upper Clapton. "En- 

 gines for steam, gas, or hydrocarbons." 2nd March, 1887. 



3224. — Henry Edward Newton, 6, Bream's Buildings, Chancery 

 Lane, E.C. A communication from Edward Theisen, Germany. 

 " Condensing apparatus." 2nd March, 1887. 



3225. — Robert Dick and Rankin Kennedy, 96, Buchanan Street, 

 Glasgow. " Generation and distribution of electric energy, and 

 machines or appliances therefor." 2nd March, 1887. 



3230. — Tangyes, Limited, and Thomas Jefferiss, 47, Lincoln's Inn 

 Fields, W.C. " Portable boiler and centrifugal pumping engine." 

 2nd March, 1887. 



3237.— Henry Harris Lake, 45, Southampton Buildings, W.C. A 

 communication from George Vincent Fosbery, United States. 

 " Magazine or repeating rifles." 2nd March, 18S7. 



3245.— Henry Jephson, 91, Melbourne Street, Derby. "Fog signal 

 Detonator." 2nd March, 1887. 



3258. — Richard Edward Donovan, Francis Haylett, and James 

 Johnstone, 10, Leinster Street, Dublin. " Blowing glass by 

 mechanical means." 3rd March, 1887. 



3299. — George Bambridge Moss, Alton House, The Close, Lincoln. 

 " Ventilating apparatus." 4th March, 1887. 



3322. — John Ford, Edward Ford, and Jehu Ford, 128, Colmore 

 Row, Birmingham. " Anchors." 4th March, 1887. 



3323. — Charles Lakeman Tweedale, 4, Mansfield Chambers, 17, 

 St. Ann's Square, Manchester. " Primary batteries." 4th March, 

 1887. 



3325. — John Kerr, Britannia Engine Works, Kilmarnock. " Regu- 

 lating the dilution of gas mixtures in three-cycle gas-engines." 4th 

 March, 1887. 



3335. — John Smith, 84, Tamworth Road, and Alfred Emley, 44, 

 Westgate Road, both in Newcastle-upon-Tyne. " Burners for 

 regenerative gas-lighting apparatus." 4th March, 1887. (Com- 

 plete specification.) 



3340. — ^Joseph Hartley Wicksteed, 323, High Holborn, Middlesex. 

 "Arrangement of shearing machines for cutting hot blooms or 

 cogged ingots." 4th March, 1S87. 



3341. — William Spiers Freeman and Frederick Freeman, 323, 

 High Holborn, Middlesex. "Automatic weighing, measuring, 

 and delivering machines." 4th March, 1S87. 



3342. — William Edward Ayrton, City and Guilds of London Cen- 

 tral Institution, Exhibition Road, London, and John Perry, City 

 and Guilds of London Technical College, Finsbury. " Measuring 

 the coefficients of self-induction, or of mutual induction." 4th 

 March, 1S87. 



3346. — Illius Augustus Timmis, 2, Great George Street, West- 

 minster, S.W. " Lighting railway vehicles electrically." 4th 

 March, 1887. 



3362. — Joseph Wilson Swan, 47, Lincoln's Inn Fields, W.C. 

 "Detection of explosive gases in mines or other places." 4th 

 March, 1887. 



3405. — Charles George Knight and James Thomas Ford, 12, 

 Queen's Terrace, Kent Road, Southsea. " Dental suction valves." 

 5th March, 1887. 



3414. — William Snelgrove, i65. Fleet Street, London. " Ex- 

 tinguisher mechanism for lamps. " (Complete specification.) 5th 

 March, 1887. 



3417. — Henry Harris Lake, 45, Southampton Buildings, London. 

 A communication from James H. Courier, United States. " Type- 

 writing machines." 5th March, 18S7. (Complete specification.) 



3451. — Alfred Julius Boult, 323, High Holborn, London. A 

 communication from Joseph Hanson, United States. "Rotary 

 wire gigging machines." (Complete specification.) 7th March, 

 1887. 



3469. — Charles Ambrose McEvoy, The London Ordnance Works, 

 Bear Lane, Southwark, Surrey. " Electric primers and mechanism 

 for firing breech-loading guns." 7th March, 1887. 



3478. — Johann Kleissl and Arthur Duffek, 34, Southampton 

 Buildings, London, W.C. " Differential and other arc lamps." 

 (Complete specification.) 7th March, 18S7. 



3530. — Alfred Julius Boult, 323, High Holborn, W.C. A com- 

 munication from George Eastman, United States. " Sensitive 

 photographic films." 8th March, 1887. 



3531. — Thomas Shaw, 323, High Holborn, W.C. " Testing gases 

 drawn from mines." 8th March, 18S7. 



3542. — James Rettie, 27, Kirby Street, Hatton Garden, E.C. 

 "Arithmometers." 8th March, 1887. 



3551. — Joseph Pannell Gibbins, 28, Southampton Buildings, 

 Chancery Lane, London. " Floating electro contact or automatic 

 mine. (Complete specification.) 8th March, 1887. 



3560. — Edward Cooper Warburton, 4, Mansfield Chambers, 17, 

 St. Ann's Square, Manchester. "Holders and fittings for electric 

 lamps.'' 9th March, 1887. 



3605. — Charles Selden, 55 and 56, Chancery Lane, Middlesex. 

 " Simultaneous telegraphy and telephony." 9th March, 1887. 



3608. — JoSEJ'H Devonport Finney ANDREWS, 28, Southampton 

 Buildings, Chancery Lane, London. " Dynamo electric machines." 

 gth March, 1887. 



3634. — Charles Frederick Archer, 166, Fleet Street, London. 

 "Hydraulic lifts." loth March, 1887. 



3655. — Alfred Julius Boult, 323, High Holborn, London. A 

 communication from Edward A. Williams, United States. " Ear 

 trumpets." loth March, 1887. 



3673. — Alfred Vincent Newton, 6, Bream's Buildings, Chancery 

 Lane, Middlesex. A communication from Alfred Nobel, France. 

 " Projectiles."' loth March, 1887. 



3675.— Alfred Vincent Newton, 6, Bream's Buildings, Chancery 

 Lane Middlesex. " Explosive compounds." loth March 1887. 



