Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . nical base, like those form-ing the large one, each 50 The Quadruple Acetylene Jet is made up of four burners, eachconsuming three-fourths of a foot of gas. Each burner has twotips, so placed that when used the two jets of gas issuing there-from impinge on each other at an angle, producing a small, flatflame of intense brilliancy, which appears to float above theburner, thereby preventing almost entirely the deposit of soot atthe tip which was formerly a gr
Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . nical base, like those form-ing the large one, each 50 The Quadruple Acetylene Jet is made up of four burners, eachconsuming three-fourths of a foot of gas. Each burner has twotips, so placed that when used the two jets of gas issuing there-from impinge on each other at an angle, producing a small, flatflame of intense brilliancy, which appears to float above theburner, thereby preventing almost entirely the deposit of soot atthe tip which was formerly a great drawback to the use of acety-lene. The four burners are placed close together and set so as topresent their flames diagonally to the surface of the lens, for thepurpose of condensing the light into as small an area as possible,which is very necessary in a good lantern illuminant. The re-flector is of correct curvature to give the best results on thescreen. We are now using the celebrated all lava Crescent burn-ers, which can not get out of alignment. 58 MflNTOSH STEREOPTICON CO., CHICAGO, U. S. A. ACETYLENE DISSOLVING PUICE ? This Key is very carefully constructed of brass, nickel-plated; thesupply of gas remaining in the Lantern which is not projecting thepicture is regulated by the amount of throw of the lever handle, whichis adjusted by stop-screws, one on each side. CRESCENT BURNER CLEANER. PRICE, net By mail .30 The above instrument will be found very useful in removing anyObstruction preventing the flow of gas from tiie fine openings in theacetylene burners. Care should be taken in using the cleaner not tonick or chip the edge of the small holes. A little defect in the tipwill cause the burner to smoke. ANNEALED GLASS DISC. (Imported.) jjjjiiiiiiiiiiiiiiiiiiiiiilliiiiiiiiiimiiilllliiiiiiiw Y/. / ^^^ m\ r / ¥\ \S/// SI yW jf / /// >*RICEi. Annealed disc mounted for use with Imperial lantern as «bove $ Annealed disc with two spring rings f
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidgricatalogof, bookyear1915
