Illustrated Catalogue Of Magic Lanterns (after November 1889, probably 1890)

72 MCINTOSH BATTERY AND OPTICAL CO., CHICAGO, ILL., U. S. A. Mr. Ives, of Philadelphia, has devised an ingenious arrangement, at once simple, com- pact and effective, for dispensing with the use ol hydrogen or illuminating gas in using the oxy-hydrogen jet for lantern demonstra- tions. It gives a brilliant light, which com- pares favorably with that obtained in the usual manner with hydrogen or burning gas. The portability and convenience of the apparatus will commend it to the favor of exhibitors and lecturers .”—From the Manufacturer and Builder, N. Y. “The rapidly increasing use of the lan- tern in schools, public lectures and exhibi- tions, has led to a number of experiments to reduce the cost of the lime-light. In a lew large cities the gases are easily obtained 111 commercial quantities, stored in iron tanks, ready for use, and at comparatively low prices. _ The tanks are troublesome to carry, and in smaller towns the gases must be made on the spot as required; and this involves expensive and troublesome appa- ratus. j Every effort has been made to find a substitute for one of these gases. Ether has been tried several times, but has been con- sidered too dangerous. More recently an apparatus for saturating the oxygen with the vapor of ether has been devised, that appears to remove all danger of explosion. A light is obtained that, as far as observation goes, is quite as good as the ordinary lime- n i nven tion has the merit of saving all the trouble of making or carrying hydro- gen, as the whole apparatus can be carried m the hand, while ether can be obtained anywhere.” From the Century Magazine. “ We have tested your new lime-light and found it a good substitute where gas is not obtamable. —From E. & H. T. Anthony & “ I have nothing in the light line that pleases me so well. It is as simple as coal oil, and cannot but be perfectly safe. All that can happen is for the rubber caps to blow off. The tubes cannot explode with the blowing off of the caps—when the caps fly off even this cannot happen. I used Marcy’s mixed jet, the same as I used for pure hydrogen and oxygen. No one will use two bags any longer, now that Ives’ .Saturator can be had.”—Dr. S. N. Gish, in The Magic Lantern. “We have no hesitation in saying that the ether-oxygen light, as produced by the Ives ’ Saturator, can be made to dissolve as smoothly and as perfectly as the oxy-hydrogen light in the old way. We do not wish to be understood as saying that every lantern, or every jet will produce perfect dissolving effects with the tfaturator without some adjustment Soml iuf U tu d ° Ub v? ed - y wi H’ while others (presum* ably those having a large mixing chamber ^ base ,? f Jet) may require to be differ- ently adjusted; but we are firmly convinced that all jets, not capable of being used with the Saturator, can very readily be adjusted formyexp^ri^e withThl eth^SatMate for the last two years, for dissolving effects ? e:r t S™ 1 T y be en most satisfactory So much so that I would not use the oxv-hv- ^ ?n ^/ 0 l-* easons . tllat the ether is safer the light whiter, and lam satisfied the iiaht is just as strong. Especially is the lilht stronger and more brilliant if the oxygeS is made new and from pure quality of potash each time." JOHN S. ATWATER “I have used one of your Stereopticons with your Mclntosh-Ives’ Saturators for about two years, and am free to express not only my entire satisfaction, but pleasure in Working the same. I have given many ex- nimtions, both public and private, and"find the light clear and brilliant, with great illuminating and magnifying power I IS 76 P r ?J e «ed views of different diameters from 8 to 20 feet, and have always given perfect satisfaction to my audiences as well bel The . u ® e of the Saturator I believe to be. entirely safe, and I have fou nd it easy to manage. Any one of ordinary judgment can work this "Satu- rator without risk and with success The time required for me to manufacture the oxygen, gas and get everything ready for exhibiting never exceeds thirty minutes X cordially recommend, not only vour Satu- rator but also your StereoptieoVto all who Wish to give successful entertainments.” 1 ” • FALLIS, S'.ereopticon Exhibitor, Jrtiotographer , and Proprietor of Baker & Co's Wood Engraving Establishment. v.Q^ Frequ ? ntly durin & the past year I have had occasion to use one ofDr.L.D.McIntosh’s Improved Stereopticons, and have found it an excellent instrument for projection. The dissolving arrangement is perfect and is well adapted to either the oxy-hydrogen or ether- oxygen light. I use the ether-oxygen lie-ht and cannot speak in too high terms of the simplicity and ease with which this light is operated. The Saturator is a wonderful saving of time g,nd labor.” WILL H. WHITE,.Cleveland, Ohio. Management of Oxy-hydrogen Light.— When ready to light up, shut off the keys at the jet and turn on those at the bags. Now .urn on the hydrogen key at the jet, and light the gas. Place the lime at the proper distance, and let it become quite hot before turning on oxygen. The oxygen should be turned on slowly until it appears i; ix w 1 1:h the hydrogen in proper proportion, and gives a fullfbril- hant Humiliation. lAn excess of either gas will cause a hissing wi - out producing a good light. An excess of hydrogen is indicated bv a profuse red flame around the lime, and an excess of oxygen by no red flame, and a deficient illumination. The gases should be carefully