The Sciopticon manual : explaining lantern projections in general, and the Sciopticon apparatus in particular, including magic lantern attachments, experiments, novelties, colored and photo-transparencies, mechanical movements, etc. (1877)
Marcy, L. J. (Lorenzo J.) · Philadelphia : J.A. Moore · leaf 164
155 SCIOPTICON MANUAL a small chamber, as at c (Fig. 39), at the foot of a single jet through which the mingled gas is projected upon the lime. THE MIXED JET. The mixed jet is the only one of the Drummond variety superior in effect to Nos. 1 and 2, and this we adopt as the No. 3 of the triple blow- … No. 3, Fig. 39. equal volumes if coal gas is used. DANGERS PECUEIAR TO No. 3. Serious accidents in operating the mixed jet are mostly occasioned by carelessly collecting or transferring one kind of gas into a bag partly filled with another kind, and then attempting to use it in connection with an…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
