Krasnomaiskii

(formerly Kliuchinskii), an urban-type settlement in Vyshnii Volochek Raion, Kalinin Oblast, RSFSR, situated at the influx of the Shlina River into the Vyshnii Volochek Reservoir, 3 km from the Leont’evo railroad station on the Kalinin-Bologoe line and 12 km northwest of Vyshnii Volochek. The Krasnyi Mai Glassworks, established in 1859, manufactures lampshades, technical glass, and dishes; there is a museum on its premises.