Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . directly towards the center of thecondensing lens, the point of the carbon being the source of light. We offer the above as the most simple and effective RightAngle Lamp on the market. It is very small (size of frame, 4^inches long by 4% inches high) and still has a 234; inch feed toeach carbon. The carbons can each be fed separately ortogether, depending on how one grasps the feeding on direct current a ^ inch solid vertical and a y^ inchco
Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . directly towards the center of thecondensing lens, the point of the carbon being the source of light. We offer the above as the most simple and effective RightAngle Lamp on the market. It is very small (size of frame, 4^inches long by 4% inches high) and still has a 234; inch feed toeach carbon. The carbons can each be fed separately ortogether, depending on how one grasps the feeding on direct current a ^ inch solid vertical and a y^ inchcored horizontal carbon are necessary; if upon the alternatingcurrent both carbons should be i^ inch cored. On direct cur-rent this Lamp will give more light, using the same amount ofcurrent, than the tilted form, but it requires a little more atten-tion in feeding. It is necessary to have at least 5>4 inches from the centerof the condensing- lens to the bottom of the lantern body inorder to 1 e able to center the 90° Lnmp. fi2 MclNTOSH STKREOPTICON CHICAGO, U. S. A. FINE ADJUSTING SUPPORT,Shown with 90° Lamp -?•RICE, of Support, for either up-right or 90° Lamp, (shaded portion, of cut only) $50C 90° Lamp with ball hood and its attachments up-right Lamp with similar ball hood for either direct or alternating current, as desired , The cut shows the attachment in position, clamped to a Ysupport (which forms a part of our Imperial lantern) and hold-ing a go** Lamp fitted with a ball shield having a flange in front,heat deflecting plate on top, and an image tube at the side. Bvthe use of this Support the Arc is kept in perfect alignment witnthe center of the lenses by means of two screws, one (at theback) moving the entire Lamp up and down, the other (at theside) giving a lateral swinging motion. This Support is partic-ularly recommended where a projecting microscope or movingoicture machine is used. When the Lamp is in operat-ou 2perfect redu
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Keywords: ., bookcentury1900, bookdecade1910, bookidgricatalogof, bookyear1915
