Licence: Public Domain Mark
Credit: A spectacle trial frame / [Arnold Moseley]. Source: Wellcome Collection.
![A.D.1904 N° 1254 Date of Application, 18th Jan., 1904 Complete Specification Left, 13th Oct, 1904—Accepted, 17th Nov., 1904 PROVISIONAL SPECIFICATION. A Spectacle Trial Frame I, Arnold Moseley of 37 Dalrymple Road Brockley, London S.E. Opticians Assistant do hereby declare the nature of this invention to be as follows: — A spectacle trial frame, for the purpose of holding one, two or more pairs of lenses before the eyes during the process of sighttesting. /The essential features of my invention is the application of grooved wheels attached within the cells to carry the cylindrical lenses. When in use the edges of the lenses will rest on these grooved wheels. The said wheels are so attached that part o'f the wheel is prominent below the frame see draw¬ ing (A). The passing of the finger along the exposed edge of wheel turns same, 10 and the cylinder lens resting in its groove turns with it, and the rotation necessary to the adjusting of these lenses is imparted in this simple manner. Dated this 18th day of January 1904 A. MOSELEY. 5 15 COMPLETE SPECIFICATION. A Spectacle Trial Frame Arnold Moseley 37 Dalrymple Road Brockley in the County of Rent Optician do hereby declare the nature of this invention and in what manner the same is to performed, to be particularly described and ascertained in and by the following statement; 20 A spectacle trial frame, for the purpose of holding one, two or more pairs of lenses before the eyes during the process of sight testing. The essential feature of my invention is the application of grooved wheels within the cells to carry the cylinder lenses. When in use the edges of the lenses will rest on these grooved wheels. The ^5 said wheels are so placed that part of the wheel is prominent below the frame, see drawing A, left with the Provisional Specification. The passing of the finger along the exposed edge of wheel turns same, and the cylinder lens resting in its groove turns with it, and the rotation necessary to the adjusting of the lenses is imparted in this simple manner. 30 The grooved wheels are preferably made of aluminium, horn, vulcanite or any material that presents similar friction the better to engage the edge of lenses. Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what 35 I claim is, The application of these grooved wheels to give rotation to the lenses in the way described. Dated this 13th day of October 1904. A. MOSELEY. library Itedhill: Printed for His Majesty*® Stationery Office, by Love & Malcomson, Ltd,—1904. [Price 8d.] , _ ^](https://iiif.wellcomecollection.org/image/b30735415_0001.jp2/full/800%2C/0/default.jpg)
