Lantern Slide - Tangyes Ltd; Horizontal Simplex Double-Acting Steam Driven Pump; circa 1910; One of 239 glass lantern slides depicting products manufactured by Tangyes Limited engineers of Birmingham; England. The images include various products such as engines; centrifugal pumps; hydraulic pumps; gas producers; materials testing machines; presses; machine tools; hydraulic jacks etc. Tangyes was a company which operated from 1857 to 1957. They produced a wide variety of engineering