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 169
160 SCIOPTICON MANUAL. THE OI I.- M«;il X SCIOPTICON, WITH THE TRIPLE JET. The jet may take the place of the oil lamp, Fig. 42, with- out changing the construction of the Sciopticon It is not so convenient for the jet as the form shown in Fig. 43, but its original peculiar advantages are not… … Fig. 42. With the lime light the front glass G is only useful to pro- tect the condenser ; if retained, it should be glass without the cut as commonly used, or else clear mica. With a con- centrated light every blemish shows upon the screen. Kemoving the lime holder from its socket we insert the…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
