National Geographic : 1908 Jun
Your courtesy in mentioning the Magazine when writing will be appreciated THREE INONE Perfection in a Photographic Lens is possible only when Perfect Computation Perfect Grinding, and Perfect Mounting are combined in the same instrument The most perfect computation does not lead to perfect pictures unless the most perfect mechanical devices are applied in the manufacturing. Highly polished surfaces are of no avail unless they are in absolute accordance with perfect computation. A perfectly computed and perfectly ground and polished lens is not better than a rectilinear when it is carelessly mounted. The triple alliance of perfect computation, perfect grinding, and perfect mount ing made for the GOERZ LENSES the high reputation they deservedly earned for themselves C. P. GOERZ AMERICAN OPTICAL COMPANY CHICAGO NEW YORK SAN FRANCISCO 1514 Heyworth Building 52 Union Square East 703 Claus Spreckels Building Guaranteed Waterproof Silk Tents q We manufacture a complete line of Tents and Camp Goods for Engineers, Prospectors, and Explorers. TRADEMARK BRANP 94 Our goods are of the highest quality and we are prepared to fill all orders promptly. Camp Outfit Manufacturing Co. 144 WATER STREET :: NEW YORK CITY Send for our Catalogue C "Every man and woman should know how to use firearms with safety." -T H EODORE ROOSEVELT. ThePistol andRevolver By A. L. A. HIMMELWRIGHT President of United States Revolver Association. AHANDY pocket-size volume of 157 pages of practical information covering the entire subject of Pistol and Revolver shooting. This work is strictly up-to-date, including the latest developments in smokeless powder; the 1908 Revolver Regulations and Practice of the United States Army, the United States Navy and the National Guard; the Annual Championship Matches and Revised Rules and Regulations of the United States Revolver Association, etc. Be sides being a useful, practical hand-book for the EXPERIENCED marksman, the work will also prove particularly valuable for BEGINNERS. Contents.-Historical: Arms-Military, Target, Pocket; Ammunition-rim fire, central fire; Sights; Position; Target Shooting; Revolver Practice for the Police; Pistol Shooting for Ladies; Clubs and Ranges; Hints to Beginners; Selection of Arms; Manipulation; Position and Aiming; Target Practice; Cleaning and Care of Arms; Re loading Ammunition-primers, shells, bullets, powders, reloading. Appendix.- Annual Cham pionship Matches of the United States Revolver Association, Rules and Regulations governing the matches, etc. Records of the United States Revolver Association. The volume is printed on fine coated paper with many illustrations and is bound in three styles: Paper, 60 cents; Cloth, $1.00; Full Morocco, $1.50 . Write at once, enclosing remittance, and we will mail direct. National Geographic Magazine WASHINGTON, D. C.