The optical lantern, for instruction and amusement (1890)
Pringle, Andrew · New York, The Scovill & Adams Company · leaf 45
d so the former are used when the heating power of the blow pipe is not very great, as for instance, with the so-called oxy-calcium light, or the " blow-through " or " safety " jet. But to get the best result possible with the lime-light, i. e. to get the greatest brilliance over the least area, we… … BFH Fis. 20. oxy-calcium system we have a reservoir of spirits of wine ; a tube from reservoir to nozzle, where there is an ordisiarv wick.
Lantern projection
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
