[Method of calculation of the allowance for deviation from the fixed center-to-center spacing in eyeglasses].
The author provides evidence for a method of calculating the allowance for deviation from the prescribed spacing on centres in the spectacles. Shows that values of the limit deviations obtained by the method described is compared very favourably with those employed today.
Kuznetsov
Iu V
IuV
D005139:Eyeglasses; D055095:Optics and Photonics
Sposob rascheta dopuska na otklonenie ot naznachennogo mezhtsentrovogo rasstoianiia v ochkakh.