General Instructions and Information on Tungars
Life of Tungar Bulbs. The life of the Tungar Bulb is rated at 600 to 800 hours, but actually a bulb will give service for 1,200 to 3,000 hours if the user is careful not to overload the bulb by operating it at more than the rated current.
Instructions. Complete instructions are furnished with each Tungar outfit, the following being those for the ten battery Tungar.