Genophthalmic Refractor Manual 1928 PDF COPY

$1958 genothalmic refractor manual$

$1958 genothalmic refractor manual 2$

$1958 genothalmic refractor manual 3$

Genophthalmic Refractor Manual 1928 PDF COPY

Genophthalmic Refractor Manual is a 29 page manual about the Genophthalmic Refractor (phoropter) by Shur-On. It has many illustrations and has a discussion about why it is better than using trial lenses.