Illustrated Catalogue; Busiest House in America. Volume 20 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1896 edition. Excerpt: ... page 276 this book. N0. 3. JEWELERS' TRIAL SET. PRICE, $l3 O0 In Fine Cherry or Cloth Covered Box. Contains 29 pairs Periscopic Convex Lenses, Nos. 5 to 72; 29 pairs Periscopic Concave Lenses, Nos. 5 to 72; 3 Colored Lenses, 1 Ground Glass Lens, 1 Trial Frame. We can furnish these Sets with Lenses ground to fit either 0 or 1 Eye Frames. jewelers can use Lenses from set to fit customers, and they can be replaced at any time. N0. 4. TRIAL SET. PRICE, $6600 Set of First Quality Trial Lenses in Nachet Rings 1% inches diameter. Consisting of 25 Spherical Powers each Concave and Convex, from 0.125 to 20 D.; pair each from 0.125 to 6 D., and 1 each from 7 to 20 D.; 14 Plano Cylindrical Powers each Concave and Convex, from 0.125 to 4 D.; 1 pair each from 0.125 to 1.50 D., and 1 each 1.75 to 4 D.; 3 pairs Prisms, from 1 to 3A, and 3 Prisms, 5 to 15A; 1 Colored Glass (Red); I Pin Hole Disc; 1 Blank Disc; 1 Stenoptic Disc; 1 Drop Eye; 3-Cell Patent Adjustable Trial Frame; 1 Single Cell Trial Frame. Nachet Style Set of First Quality Trial Lenses in Rings 1% inches in diameter. Consisting of 32 pairs each Concave and Convex Sphericals, from 0.25 to 20 D. (I60 to 2 inches) focus; 20 pairs each Concave and "-4-"'R""-SET $66 Convex Plano Cylinders, from 0.25 to 6 D. (160 to 6% inches) focus; 10 Prisms, 1 to 10.2.; 4 Plain Colored Glasses; 1 Vhite Glass; 1White Glass, Half Opaque; 2 Stenoptic Discs; 1 Blank Disc; 1 Disc with l-lole; 1 Perfection Patent Adjustable Trial Frame; 1 Single or Double Cell Trial Frame. No. 8. TRIAL SET, $I2O 00 with Lock, and focus numbers stamped in diopters. No. 8817. MOU NTAIN BAROMETERS. No. 8617. First Qualit Gilt Metal Dial, Com ensated, Alti-tude Scale to 20, feet on Movable Rim, Vatch Size, in...