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State Optical Institute named after S.I. Vavilov in Leningrad
USSR. Leningrad. June 27, 1972. Technician V. G. Lashmanova and junior researcher I. A. Vorontsova of the S. I. Vavilov State Optical Institute’s colored glass group develop new colored glass. Maxim Blokhin/TASS
| Location: | USSR, Leningrad |
| Photo: | №157815 |
| Date of shooting: | 06.27.1972 |
| Authors: | |