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File:Page 423 from William Porterfield, A treatise on the eye (1759).jpg

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Original file ‎(2,063 × 3,521 pixels, file size: 631 KB, MIME type: image/jpeg)

Description
Page 423 from "A treatise on the eye, the manner and phaenomena of vision" by William Porterfield, Published 1759 in Edinburgh. In this book the word "optometer" appears for the fist time.
Date
Source

Original publication: Porterfield, W. (1759). A treatise on the eye, the manner and phaenomena of vision. Edinburgh: A. Miller, G. Hamilton and J. Balfour.

Immediate source: http://openlibrary.org/works/OL16073963W/A_treatise_on_the_eye_the_manner_and_phaenomena_of_vision
Author

William Porterfield

(Life time: ca. 1696–1771)
Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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Date/TimeThumbnailDimensionsUserComment
current16:49, 27 April 2013Thumbnail for version as of 16:49, 27 April 20132,063 × 3,521 (631 KB)Antonio Calossi{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Page 423 from "A treatise on the eye, the manner and phaenomena of vision" by William Porterfield, Published 1759 in Edinburgh. In this book the word "optometer" appears for th...
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