J. Theobald and Company's extra special illustrated catalogue of magic lanterns, slides and apparatus (From the smallest Toy Lanterns and Slides to the most elaborate Professional Apparatus (c. 1900) (1900)
J. Theobald and Co. · London: J. Theobald & Co. · leaf 31
18 THE “LIGHTNING” DOUBLE CARRIER FRAMES Does away with the white on the screen as the inner frame moves backwards and forwards. 1/9 each. Single Carrier Frames on same principle ... ... ... 1/6 each. Panoramic or Skeleton Frame, open right through for slides to be pushed in one end and out at the… … The Spiral worm lime turner raises the lime half-inch per revolution, and will automatically divide the lime off, without any judgment on the part of the operator. Saves the entire cost of a Dissolver. Price 25/- each. THE “RELIABLE” HIGH-PRES SURE GAS REGULATOR. Advantages— The gas from the…
