ractice to publish brief Also, aniline colors free from arsenic. illustrated descriptions of patented devices, which, by a ee ee eed reason of the exceptional simplicity that characterizes The Builders of Our New Battleships and Cruisers. their construction or the rare mechanical skill dis- one… … guide, so that as the candle-plate moves down still further, the combined reflector and extinguisher drops Fig. 1.—IMPROVED FEEDING FOR MOVING PICTURE on the wick. The hooked upper end of the guide-rod Fig. 5.—A DIVISIBLE BOOK-SHELF, FILMS. serves the purpose of carrying a shield to prevent the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
