. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. No. 149. Fays Improved Optometer—Has the following advantages; First—It measures Myopia, Hypermetropia, Astigmatism and Presbyopia m such a way that mistakes are almostimpossible. Second—By giving the relaxing power of the ciliary muscle, the Optometer measures the total latent Hyperme-tropia without mydriatic. Third—A great time saver. Test can be made in two minutes. Fourth—It enables the ope<i-ator to make the test with the retinoscope with but one or two changes of lenses. Fifth—Price only $ The book
. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. No. 149. Fays Improved Optometer—Has the following advantages; First—It measures Myopia, Hypermetropia, Astigmatism and Presbyopia m such a way that mistakes are almostimpossible. Second—By giving the relaxing power of the ciliary muscle, the Optometer measures the total latent Hyperme-tropia without mydriatic. Third—A great time saver. Test can be made in two minutes. Fourth—It enables the ope<i-ator to make the test with the retinoscope with but one or two changes of lenses. Fifth—Price only $ The book New Methods in the Science of Fitting Glasses goes free with the Optometer, or will be sent, bound in paper cover, fo\ .35 I. ^ This instrument is now made with two round plates to cover the discs, not as shown in cut. No. 151. Optometer, Simple, with Single Disc and Spherical Lenses, only, each 152. Optometer, Compound, with Double Disc and Spherical and Cylindrical Lenses, each Pamphlets describing above instruments sent upon application. .$ . For Watchmakers, Jewelers and Kindred Trades. 719
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Keywords: ., bookcentury1800, bookdecade1890, bookid20thcenturyc, bookyear1899
