Dial from a trilene vaporizer; the dial is cylindrical with a threaded screw attachment at one end and a dial with graduation marks and a hollow cylindrical nozzle at the other end; the nozzle points upwards and is open at the top.
Dial from a trilene vaporizer; the dial is cylindrical with a threaded screw attachment at one end and a dial with graduation marks and a hollow cylindrical nozzle at the other end; the nozzle points upwards and is open at the top.