ORIGINAL PATENT APPLICATION NUMBER 17,540 FOR A METHOD OF & APPARATUS FOR AUTOMATICALLY IGNITING & EXTINGUISHING ELECTRIC & OTHER LAMPS BY THE ACTION OF THE SUN'S RAYS (HASLEMERE).
ORIGINAL PATENT APPLICATION NUMBER 17,540 FOR A METHOD OF & APPARATUS FOR AUTOMATICALLY IGNITING & EXTINGUISHING ELECTRIC & OTHER LAMPS BY THE ACTION OF THE SUN'S RAYS (HASLEMERE).
ORIGINAL PATENT APPLICATION NUMBER 17,540 FOR A METHOD OF & APPARATUS FOR AUTOMATICALLY IGNITING & EXTINGUISHING ELECTRIC & OTHER LAMPS BY THE ACTION OF THE SUN'S RAYS (HASLEMERE).