Documents Week 10. Gas perm fitting techniques Steps and rules for fitting gas perm lenses 1. Transpose Rx to....

Slide 1Week 10 Slide 2 Gas perm fitting techniques Steps and rules for fitting gas perm lenses 1. Transpose Rx to minus cylinder. 2. Compensate for vertex distance, if needed.…

Documents 02-05-1924

Prof, p P â ' ^ n k a n i r . P * - Literary Supplement! The Anchor m Volume XXXVI HOPE COLLEGE, Holland, Michigan, Feb. 5,1924 Number 16 THE CHALLENGE ACCEPTED Sprightly,…