Skiascopy : A Treatise on the Shadow Test in Its Practical Application to the Work of Refraction : with an Explanation in Detail of the Optical Principles on Which the Science Is Based

Skiascopy : A Treatise on the Shadow Test in Its Practical Application to the Work of Refraction : with an Explanation in Detail of the Optical Principles on Which the Science Is Based

by George Adelmer 1852- Rogers

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