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Ophthalmic lenses and accessories; lenses, frames, magnifiers and readers .. (1916)

Bausch & Lomb Optical Company · Rochester, N.Y. : Bausch & Lomb Optical Co. · leaf 67

An illustration from Ophthalmic lenses and accessories; lenses, frames, magnifiers and readers .., 1916, leaf 67 — Object Target Image as Seen Through Lens Piano len.se.s are made flat and in the following curves: (a) Flat : Oval antl round; wliite anrl colored. (b) 1.25 D. Curve: Oval and round; white and colored. (c) 6.00 D. Curve: Round; white and colored. (d) 9.00 D. Curve: Round; white and colored. White…

Lenses · Eyeglasses

Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.

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