interfered in the process viktor osipovich safronov, director of the plant under construction, who haderience in the optical industry of the ussr. he didn’t just begin to explain how best to process glass, polish optics, and build a glass arrangement system; he himself began to operate the machine. in practice, it was necessary to test what had recently been at the level of a hypothesis. the plant was preparing to produce its first products. in those early years, it was truly craftsmanship, when they made it on simple machines. unique products, simple machines, there were no contact devices, and we manually adjusted it to fit the device, to fit the gonometer, and then gradually, gradually we began to make contact devices, the workers of the then still under construction enterprise often demonstrated miracles of ingenuity, once the germans came here. the quality control engineer , here he is, showed the device that i came up with, he looked, said, we don’t have this, he says, this, this turns out, as it were, the quality, the quality of the parts, is very high, well , they have better e