Ehm... this design resembles the design of rheostat slider like that http://olx.ua/i2/obyavlenie/reostat-provolochnyy-maksimalnoe-soprotivlenie-3-kom-IDa8DQr.ht

Ehm... this design resembles the design of rheostat slider like that http://olx.ua/i2/obyavlenie/reostat-provolochnyy-maksimalnoe-soprotivlenie-3-kom-IDa8DQr.html http://olx.ua/i2/obyavlenie/reostat-provolochnyy-maksimalnoe... and is not original.