National Geographic : 1912 Jan
The "HENSOLDT" PRISM BINOCULAR possesses the largest Field and Light gathering Power created by a new Prism combination. "Adopted by the LeadingArmies and Navies of the World." SEND FOR DESCRIPTIVE CIRCULAR ----- - - - The A. LIETZ CO., Distributors 632-34 Commerce St. San Francisco, California J. M. TROXELL Dealer in Braun'sCarbon Prints 1 West 34th Street, New York (Century Building) Direct Reproductions of Ancient Masterpieces in the principal galleries of the world; also of the most cele brated Architecture, Sculpture, and Views of Switzerland. *Catalogue, with over 800 illustrations . . $0.50 *General Catalogue (French), not illustrated, 1.00 IllustratedBooklet No. I on Request Pictures Framed and Shipped Everywhere PRINTS IN COLORS after the original paintings *This sum will be deducted from purchase amounting to $10. EntertainYour Friends in a Delightful Way Have the negatives you took this summer made into lantern slides. Show your friends the interesting places you visited-the people you met- the many successful pictures you captured with your camera. A B and auscld omb Balopticon is a never-ending source of most delightful entertainment. It provides many forms of amusement for all kinds of home gatherings and parties, and is of great help to the lecturer for adding to the interest in talks on travel, geographical, historical, and similar subjects. Our Model C Balop ticon is the most perfect projection instrument ever produced. It throws clear, sharp, brilliant pictures on the screen-is strong and durable and operates in the simplest manner possible. It can also be arranged to project opaque objects in the exact colors of the originals photos, post-cards, drawings, etc. Model C Balopticon is now priced at $25.00 and the Opaque Attachment at $30.00. When equipped with suitable rheostat, this lantern can be attached to any incandescent light socket and will give excellent results. Send for descriptive booklet, 22D. it" 2 R Our name, backed by over half a century .L~ of experience, is on all our products Ijs lenses, microscopes, fieldglasses, projection apparatus,engineering and other scientific %i -r,5 instruments. Bausch & Lomb Optical L. W YOuK WAsHINGTO.N CHICAGO SAN fO.ANCtSCC LONON IROCHESTER,. N.Y. rVaAaKroR. "Mention the Geographic-It identifies you."