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February 13, 1930. The Model Engineer and Practical Electrician.


vii. SALES AND WANTS EVERYBODY'S MARKET ENGINEERING ELECTRICAL SCIENTIFIC GOODS For particulars of Rates, Etc., see previous issues, owing to pressure of space this week. General Watch Repairers.-Tools, Material, Watches, Clocks, Graniophone Parts. List free. Repairs guaranteed. All parcels fully insured. Illustrated lists Tools and Materials, 6d.-BLARISTON & Co., Ainsdale, Lancs. B.A. Screws, Nuts, Washers, assorted gross 26., list 2d.; small Whitworth Screws, assorted gross, brass 3s., steel 2s. 6d.; trade supplied.-J. H. BENNETT, Station Road, Willesden Junction. Moshanics Overalls at Pre-War Prices.-2s. 13d. strong blue or brown drill. Washing and wear guaranteed. Direct from factory at makers' prices. A p.c. brings patterns, inch tape and self- measurement chart. CURREY & Co. (Dept. B.), B, John Street, Thomas Street, Manchester. Screws, Nuts, Washers. List free. EDWARD EMPSALL, Trentham Place, Dewsbury Road, Leeds. Bookbinding. We supply Official Publishers Cover and bind your parts with strong cloth joints. Returned carriage paid for 4s. 6d.-WILLS, Bookbinder, 123-125, Church Street, Croydon. Transfers in Oll Colours. Buy from actual makers. Wood Inlay, Floral, Dutch, Japanese, Birds, Trade Signs. Selection any kind, 1s. 6d. Includes catalogues,--Below. Cyce Lining Transtars, self-fixing. All usual solours. Child could apply. 1s. set.-Below, Doll's House Brickpapers, Wallpapers, etc. Samples 2d.-E. R. AXON-HARRISON, Jersey. Model Engineer," Vols. 1, 2, 8, in original bindings and perfectly good condition; a unique opportunity, as these volumes are now out of print; best offer secures. Apply quickly.-Box 1898, MODEL ENGINEER Offices. Springs Springs! Assorted, compression and expansion. Twelve varieties from 1 to 2*. 2s. for one gross, post paid. 100,000 already sold.- SCARRS, LTD., Kirkgate, Leeds. Cheap Printing.-1,000 Billheads, 3s. 6d.; samples free.-CRETEWAY PRESS (22), Buxted. Sussex. Special Brass Brazing Spelter, 9d. oz., post free.— DIANE, Mounts Road, Wednesbury. Swift's 1" Objective, 15s.; Polarizer and Analyser, 25s.; Side Silver Reflector on Stand, 15s.; Sub- stage Abbe Condenser, 17s. B.; Large Eyepiece, 1.27, 38. 6d.; all standard sizes.-HEATH, 28, Loughborough Road, London, S.W.9. Why Pay 8s. 4d. per oz. for Silver Solder when material of identical characteristics can be obtained for 3s. 4d. per lb.? Try sample piece for 6d. It melts at the same temperature.-DUNN, 35, Faringdon Road, Plymouth. Aeroplane Wheels, new, fitted with Dominion 26x2 heavy tread tyres, and new tubes. Pair, complete with axles and buslics, 70s., carriage forward,-Below. Sheet Aluminium, 24x11" approx., 15. 3d.: Chamois Leathers, 16x16", 1s. 9d.; Spanners, assorted dozen, ös. 6d.; Files, re-cuts, assorted dozen 46. Below. Bolts, Nuts Washors, etc., 7-lb. bag, 4s. ; Trench Periscopes, in case, 2s. 3d.; Hacksaw Frames, with blade, 1s. thi-Below. Above Postage Faid. Send for free list.- COLEY, LTD., Ordnance Works, Queen Elizabeth Road, Kingston-on-Thames. (Phone 0365.) To Collectors of Genuine Antiques. A genuine Antique Chippendale Grandfather Clock, with Spanish mahogany case, made by Chippendale, brass and silvered arched dial, and original 8-day movement, in going order; triple-wind, going," "striking" and "chiming" ; museum piece; price 200 guineas; seen in London.-Write in first place to G. GENTRY, 66, Farringdon Street, London, E.C.4. Typewriters, Remington, Underwood, Smith+ Premier, Oliver, Yost, from £2 10s., guaranteed; great bargains.--TATTERSALL, Union Street, Accrington. Billheads, Letterheads, Post Cards, Envelopes, 100 1s. 10d., 200 2s, 10d. Real quality printing for any business office. Stamp brings bargain list. TAYLOR (M.), Printer, Rawdon, Leeds. 2,000 Army Gas Maska, 11d. each, 2 for 1s. 6d., post free. FRANK, 67, Saltmarket, Glasgow. Lucas Signal Lamps, complete, 12s. 6d.; new, 18s. 6d. FRANK, 67, Saltmarket, Glasgow. Medical Colls, powerful hand magnetos, 3 mag- nets, 10s. 6d. ; worth double; post free.-FRANK, 67, Saltmarket, Glasgow. Engineers, Mechanics, Model Workers. We can cut wheels from " up to 12 ft. diam., any material, any kind of bevel, spur, ratchet or screw gear. Clean finish, moderate prices, singles or quantities. Quotations submitted to old pattern or detailed sketch. YOUNG & SON, Wheelcutters, etc., Chippenham, Wilts. New Bolts, Nuts, etc., bright steel, slightly soiled, suit motor and general engineers, cwt. bag 16s. 6d. ; sample 9 lb., 3s, 9d., post free.-Below. 2 B.A. and 4 B.A. Steel Bolts, new, assorted to 5" long, 300 2s. 9d., post free.-Below. Magneto Screws, assorted for all leading makes, 35. 6d. gross; Assorted Carbons, 3 doz, 3s. 6d. ; Magneto Armatures, adaptable for many leading makes, with condenser, less slip ring, 6s. each, guaranteed. MARCHANT, Tiptree, Essex. h.-p. th.-p. Petrol Engine, tanks, etc., 40s.; A.C. Motor, 755.; Car Dynamos, 7s. Od., 10s.; "Adana" Printing Machine, 20s.; "Empire" No. 2 Typewriter, 30s.; "Ensign "-plate Camera, 30s.; particulars, stamp.-WILSON, 17, Roberts Road, Walthamstow, London, E.17. "Practical Workshop Mechanics" (illustrated), post free 10 d. BENTLEY'S PUBLISHING Co. (Dept. M.E.), Halifax. When communicating with Advertisers our readers will avoid delay if they will kindly state requirements clearly --whether ordering goods or merely sending an inquiry. A stamp should be enclosed when asking for lists or particulars. Model Torpedo Boat Destroyer, post free 4d.; Motorless Airplanes, genuine record flight, 1,000 ft., post free 1s. 6d. Below. Roller Skates, ball bearing, 10s. 6d. ; Ice Skates. screw-on, finest hollow-ground blades, 12s. 6d., post free.-Below. Electric Cycle Lamps, "Ever-ready," complete, post free, 3s. 6d. All Sports Requisites supplied, BOOKERS SPORTS STORES, The Parade, Golders Green, London, N.W.11. 1s. Any Lot, post free:- 12 ft. Silver Steel, assorted to 3/16". Six High-speed Twist Drills to 3/16". Three Best Whitworth Taps, 1", 6/32", 3/16". Eight Sizes Straight Flute Drills to 5/32", 3/16", or ", best for brass. One Standard Taper Pin Reamer, small. Four Five-sided Hardened and Ground Broaches. One dozen hest Twist Drills, to 5/32". Three small Carborundum Wheels, assorted. 1,000 Aircraft Rivets, assorted, for model work. 200 Screws, Nuts and Washers, best assortment. Ons Right or Left-hand Die and Tap, 2 B.A., 1", 9/32, 5/16", B.S.F. 20 Assorted Best Twist Drills to 1/16". 1 Gross Each ", 5/82, 3/16" Steel Washers. 72 Assorted Terry's Expansion, Compression and Flat Springs.-BROOKS, Engineers, Poulton-le- Fylde. Gas Stocks and Dies, 1", 11", 1", new, 21s.; Pipe Vice, 11, 10s. 6d.; Angleplate, 3s.; Morgan Chain, new, 14s.; 18" Independent Chuck, £1; Countershaft for Drummond lathe, 25s.; 6 h.-p, A.J.S. Combination, 16 10s.; or exchange.- BROWN, Daunens Road, Ingrow, Keighley. Selling Like Hot Buns. What? Butler's h.-p. Petrol Engine Castings at 9s. 9d, a set. Illustrated catalogue, 3d.-Below. Water Motor Castings in any metal, quickly done. Below. Massive Gunther Blowing Fan, suit cupolas, yours for 2 guineas; listed (12. Below. Splendid Little 6-volt 10 Charging Dynamos, ball bearing, etc., 17s. 11d-Below. Cireular Saw Bench, 42", admitting 30", 18" ripsaw fitted, 4 guineas, cheap.--BUTLER'S GARAGE Wade Street, Littleover, Derby. Posters, Tickets, Showcards. Expert writing. Lowest terms. Orders by return post. ASTORIA PRESS, 21, Jardine Road, Aston, Birmingham. 5 h.-p. Petter Lighting Plant, 50-75 volts, £25: 2 h.-p. Petter Handyman Engine, 5; 3 h.-p. Hornsby Hot-bulb Paraffin Engine, 8; 3 h.-p. Tangye Gas Engine, £8 10s.; 2 h.-p. Crossley Gas Engine, 6 10s.; two 1 h. p. Lion Petrol Engines, £4 10s. each; 9x9 B.G. Screw-cutting Lathe, £10; 6"x8" B.G. Screw-cutting Lathe, £15; 6x4 B.G. Plain Lathe, 6; one Hand or Power Planer, table 2 ft. x 18", £7 10s.; 21" Barnes Drill, 12 10s.; Jones & Shipman Power Dri £4 10s. Wanted, 12" stroke Modern Shaper.- G. BURTON, JUNR., 67, Grove Street, Retford, Notts. Brand New A.C. Petrol Engine, 24 h.-P., £8: also several new Electric Gramophone Motors, 60s. small Electric Motors, new, 30s.-Box 1368, MODEL ENGINEER Offices. Student's Microscope, 2 objectives, slides. £2 15s.; also Magneto Medical Coil, £1; and Stationary Petrol Engine, 1 h. p., complete, magneto, carburettor, overhead valves, tanks, silencer, automatic lubricator, nearly new, ₤4 15s. -F. TERRY, 11, Gladstone Road, Acton Green, London. Typewriters, Portable Corona, Underwood, from £6; Remington 7, 30s.; another, better condition, 35s.; Smith-Premier 30, £3 10s.; all perfect ; after 7-BROWN, 31, Gerrard Street, London. Amplify Without Valves! Complete Micro- phone Parts, with instructional diagrams, for Magno" Amplifier, 2s. 6d., post free. Guaran- teed to amplify all crystal (or valve) reception ten times. Cooк, 182, Cranston Road, S.E.23. "Valetta "Metal Cement. Supersedes soldering. Packets 1s., post free. OAKES, Doveholes, Stock- port. Will Exchange Solid Black Walnut Full-size Bed, new, well polished, carved panel, value £7 10s... for high-pressure Model Loco, about 2 gauge; deposit system if desired.-F. MOORE & SONS, Cabinet Makers, 68, Back Oxford Road, Burnley. "Practical Woodworker," 4 volumes, new, 25s. -WILLIAMS, 42, Gordon Road, Chatham. Gent's Cycle, Royal Enfield, 21" frame, 2 speeds, oil bath, accessories, tools, ride away, 35s. ; 240-volt h.-p. D.C. Electric Motor, 1; C.A.V. Loud-speaker, 7s. 6d.; Wireless Oddments, 15s. ; Tools, Castings, Material, etc., to clear, ₤1: appointment.-35, Huntsworth Mews, Dorset Square, London, N.W, Hickory Plckshafts, hard wood, 12s. gross, sample 9d. Draughtsman's Easel, adjustable, 50s. two Blick Portable Typewriters, £1 each.- EDGAR, Ovingham, Northumberland. 2 h.-p. 1925 New Hudson, good condition, less gear, 5; new Motor Cycle, soiled, less engine gears and tyres, 50s.-J. BUTTERFIELD, 9, Walker- gate, Pontefract, Yorks. Build Your Own 4" Centre 4-ft. Gap-bed Screw- cutting Lathe and save half the cost. Stamp for particulars.-2, Kenton Park Close, Kenton, Middlesex. Send for the February Issue of "Steam Car Reminiscences and Steam Road Transport." The only paper devoted to the steam automatic and steam wagon. Published each month by R. H. AND H. W. BOLSOVER, Eaglescliffe, Co. Durham. Casting Moulds for Lead Soldiers, farmyard animals, etc. Catalogue, stamp.-INDUSTRIES, 13, Gordon Avenue, Twickenham. "Modern Showcard Lettering." A book of Alphabets for artists and sign-writers. 15. 6d. posted. INDUSTRIES, 13, Gordon Avenue, Twickenham.