Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 121
udents. Established 14 years. FOR PARTICULARS ADDRESS JOMN S. OWEN, AA.D., Principal. 23 EAST ADAMS AVE., DETROIT* MCII^ THE Jebb Optometer ^ is cui instrument capable ofdiagnosing defects and ac=curately measuring the refractive errors in the eyepromptly, and without theuse of a… … )f imperfect vision, but the Jebb Optometer reveals the true condition and makes it easy and quick to select the correct lens. The only Optometer made confining the whole within itself, as the instrument renders rays oflight parallel within the length of the tube, thus making the twenty feet…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
