vi. The Model Engineer and Practical Electrician. This Tool-preserving Oil does the trick. Smeared over the meta' parts, OILIT not only protects from rust and corrosion but enables tools to retain their original sharpness. At the completion of each task- before replacing the tools-polish them with a few drops of Wakefield PRICES: OILIT. 1/3 per 4-oz. tin. In the book supplied with each tin you will read of the 101 other ways in which OILIT may be used. Of all Garages, Ironmongers, Oycle Agents, Gramophone Shops, Hardware Stares, or write: 10d. CC. WAKEFIELD & Co., Ltd. per 20% tin 8d. per 1-oz, tin. Manufacturers of CASTROL. Motor Oils, Wakefield House, Cheapside, London, WAKEFIELD E.C.2. KATE HANDY Just ilit UNIVE LAWN MO ARENTING MAR &GRAMOPH BICYCLE SURNITURKS THAT SOU ENGLAND Oilit. THE UNIVERSAL OIL February 13, 1930. For all Lovers of the Gramophone. We have recently published an excellent handbook, written by "L.B.S.C.," who is so well-known to M.E." readers and who has had over 30 years experience indoctoring" gramophone ailments. "GRAMOPHONE ADJUSTMENTS and REPAIRS 1/. net. PERCIVAL " 1s a practical guide to mechanical repairs and replacements, and the adjustments necessary to get the best results from any type of machine. It is written for the non-technical handy man, and will assist many gramphone users to improve the efficiency of their machines. 77 pages 37 diagrams PRICE nes through your newsagent, or 1/2 post free from MARSHALL & CO., LTD.. 66, Farringdon Street, LONDON, E.C.4. EX Special Point No. 4 We believe our 31" Lathe is the OF THE 3333" SUPER EXE small one with a removable gap-piece to fill the gap when not wanted. When working close to chuck on lathes not so LATHE provided, the saddle has to CAP BED, with CAP PIECE Note loose gap-piece, also automatic screwcutting clutch on mandrel. BENCH LATHE: Capacity 16" between centres, 8" £11:12:6 diam. in gap, "hole through mandrel. Headstock is not cast in one with bed. Carriage paid within 200 miles of Exeter. overhang the gap, and this, on beds which guide the saddles on front and back vee edges, causes tipping of saddle into gap, twisting of saddle owing to reduced length of guides and wearing of bed. Another point about gaps is that the faceplate (or chuck) should be as close to the headstock as possible, to save overhang and give capacity without weakness. This may seem obvious, but some lathes are made so that these face- plates reach out about half-way - The EXE ENGINEERING EXETER. across their gaps. The 'UNIQUE' TEST INDICATOR FIXES TO ANY SCRIBING BLOCK. For testing the truth of work on lathe or machine table. 3/6** UNIQUE ARACACHMENTU "THE UNIQUE Shown with INTERNAL TESTING ATTACHMENT 2/9 (Sold separately by all Tool Dealers). J. H. GRANT, Oak Road, ERITH, Kent. Particulars from :- 18 Ltd., 8 The -1 b.h.p. “SUPREME” 2-STROKE ENGINE. PETROL OR GAS. An Enclosed Valveless Unit which gives its rated power easily. COMPLETE ENGINE.. £12 Ball Bearings fitted, $2 extra. CASTINGS & PARTS, 58/6 (Cylinder bored.) Send stamped envelope to-day for Leaflet. Culcheth F.BULLOCK, Lane Works, Newton Heath, MANCHESTER.
