GLCC Hygrometer

Gas Industry

1920-1990

GLCC Hygrometer, made by Alex Wright & Co. Ltd., Victoria Road, Buckhurst Hill, Essex & Westminster, England. Wet & dry bulb mercury thermometers in insulated box, with front sash window exposing thermometer bulbs. Insulated gas inlet tube and aerated fishtail burner. Serial no.AW364, 1920-1990.