Laurence, Lionel · London, School of Optics · leaf 375
l Trade Only.) 12 The Optrex Specialities (regd.) The Optrex Lens Finder for Rimless Mounts Opticians will findthe OPTREXLens Finder oneof the most usefularticles in theirequipment. It en-ables the Opticanto stock and fitthe actual mountwhich is to beglazed for hisclient, giving thecorrect sized… … The only rulecombining allsizes of Eyeand necessarymeasurementsforeitherorder-ing or checkingRx work. Onlymade in bestaseptic Ivorine.: Handy size forpocket 7^in. by3\in. In case orwithout. Price, complete with illustrated instructions, 9/6. Cases!,- and 2/6 extr; The OptrexAxis Finder A most…
Optics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
