Tea can. USSR 1950. Vitriol glass "manganese" The glass factory where it was made was founded in the Vladimir province a long time ago - in 1782, and was called the Vokovsky Crystal Factory - after the name of a nearby pond. After the October Revolution of 1917, the plant was nationalized, and devastation came to the Vladimir province. Gradually the plant returned to work, and in the middle of the last century it was reconstructed to produce glassware from clear and colored glass and crystal. Ten years ago it was closed.