The Optical Magic Lantern Journal (November 1901)

The Optical Magic Lantern Journal and Photographic Enlarger. ix, THE “INJECTOR” MIXED JET. (JACKSON'S PATENT. oX PRICH SOs. This is the only Mixed Gas Jet which will work at full power with coal gas taken direct from the town supply, and oxygen from a cylinder. In order to effect this the oxygen, on its way to the mixing chamber, is made to pass through the small Injector | in the sketch at a pressure of about 12 Ibs. per square inch. In passing through the Injector it sucks a supply of coal gas from the pipe H, which is connected with the house pipe, and forces it forward through the short pipe T into the mixing chamber M. Here the mixed gases meet the baffle plate B, which has the two-fold effect of silencing the passage of the : gases, and ensuring their complete admixture. The mixed gases then pass through holes in the edge of the plate, and so to the burner. The requisite pressure of oxygen is obtained in the ordinary way by a fine tap on the cylinder, or an automatic regulator fitted with a high-pressure spring to deliver at about 15 Ibs. pressure. Five seasons’ experience has fully established the superiority of this Jet over all others. It will yield THE FULL 1,800 TO 2,000 CANDLE-POWER (so called) of the ordinary mixed jet when taking its supply of coal gas direct from the town’s pipe, or even froma bag without any pressure at all. If a town’s supply is not available, it wi!l work just as well with coal gas from a cylinder. We cannot see why ordinary mixed jets should be purchased which cannot offer these alternatives, As for blow-through jets, ejector or otherwise, we do not know why they should be used at ail, when with the same economy and convenience of working, the Injector Jet will give two or three times the light. By removing the Injector nipple the jet becomes an ordinary mixed jet. This can be done whenever it is desired to work with oxygen at low pressure, and coal gas from a cylinder. The working of the Jet is simpler than that ofan ordinary jet. When the H tap is once adjusted, it does not need to be touched again when using town's gas. The turning off or on of the oxygen supply regulates automatically the supply of coal gas. This is a great convenience in actual use. Most existing jets can be fitted with an Injector to enable them to take their coal gas supply from the house pipe The Jet will in certain cases be sent on approval on deposit of purchase price. Further particulars free on application to MANCHESTER OXYGEN (Brin’s Patent) CO., LITD., Great Marlborough Street, Manchester. AGETYLENE, The *INCANTO" Appliances for all purposes have proved the BEST AND MOST RELIABLE, EGLIPSE Ay 10/6 It produces an effect similar to dissolving. The slides are inserted and witharawn by a single movement. BEARD’S COMPRESSED GAS. REGU LATOR ACETYLENE Co., Ltd , Is the only reliable Regulator giving perfect = 135, Victoria Street, results with all kinds of jets. Pattern A Generator. WESTMINSTER. . aie SANDS, HUNTER & Co, HAND-FEED Photographic Apparatus and Lanterns, ARG LAM pS. NEW AND SECOND HAND, BY ALL THE BEST MAKERS, . Lanterns and Operator let out for evening enteré 1 ie : a ee tainments for children, &c. Terms Moderate. Lamps are used by the Poly20, Oranbourne St., Leicester Square, London, W.O. technic, Queen's all, Royal. OO A Sec ienenan bee y Dissolving View Magic Lanterns and Slides rlatite Limes pete Photographic Apparatus, Scientific Instruments and every description of miscellaneous property. Write or cal] — THURN & HODDLE Marriott’s Limes Stocked, a Wholesale and Retail. ——— ip Nee R. J.C, STEVENS begs to announce that he holds Sales of the bove, every Friday, at half-past twelve precisely, at his great Lantern Ex t d i R. R. BEARD, ‘ter, Expert on as ae kare Ena uaec re yen a Ci emen wisning totnclude pro; erty in esi ales ave requesi 10, Trafalgar Rd., Old Kent Rd., LONDON, S.E. send particulars one week prior to sale, Please mention this Journal when corresponding with Advertisers,