e of about 18 feet from thescreen; has fine achromatic objective, with a rack and pinion adjust-ment for focus; a pair of 4 inch piano convex condensing lenses,mounted in brass; packed in a neat Russian iron case with lock, whichcan be used as a stand for the lantern; supply of glasses, wicks,… … 4-4-4-0. 4440. The Mansard Sciopticon is the latest improved production of acelebrated Parisian manufacturer, having all necessary advantagesto make it the most complete apparatus on the market. It has apatent four wick (set at an angle) lamp, giving a most brilliant uniformfield of illumination to…
Knights of Pythias
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