Laurence, Lionel · London, School of Optics · leaf 372
TOKS FRAMES MATERIAL CROOKES RX WORK GLASS TRIAL CASES TRIAL FRAMES INSTRUMENTS MACHINERY FURNACE SPECTACLES EYE PROTECTORS INDUSTRIAL GOGGLES HORN BOX MAGNIFIERS VULCANITE MAGNIFIERS LINEN PROOVERS HORN BOTANICAL MAGNIFIERS VULCANITE BOTANICAL MAGNIFIERS OCULISTS MAGNIFIERS READING GLASSES BRASS… … *-r^ D. Y. O. Co.s ASTIGS are unequalled^^ for style, design, and perfect action.Made in Nickel and all qualities Gold-Filled.D. Y. O. Co.s Spectacle Frames, FingerpieceMountings and Astigs are obtainable from allWholesale Optical Houses. Insist on seeingthe D. Y. O. Co.s TRADE MARK andlabel on…
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