On an improved optometer for estimating the degree of abnormal regular astigmatism [electronic resource]

Name: On an improved optometer for estimating the degree of abnormal regular astigmatism [electronic resource]
Author: Tweedy, John, Sir,

Book details

Title: On an improved optometer for estimating the degree of abnormal regular astigmatism [electronic resource]
Publication year listed: 1876
Format: Public domain eBook
Reading access: Free online reader; no registration required
Source record: View on Archive.org

On an improved optometer for estimating the degree of abnormal regular astigmatism [electronic resource]

Author: Tweedy, John, Sir, 1849-1924

Year: 1876

Reprinted, with additions and corrections, from The Lancet, Oct. 28, 1876

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