1. optical devices loose with optically processed glass, not tsyvilnoyiaviatsiyi, civilian purposes.�used in optical vymiryuvalnyhpryladah.�gluing achromatic lens f = 1100 d 52 according to the drawings 219,674 d (d linzanehatyv 52 according to the drawings 219,674 02 b + d positive lens 52, accor