Some improvements to raise the luminosity of signal lamps, of small dimensions, containing neon gas or other rare gases (Machine-translation by Google Translate, not legally binding)

摘要

Improvements to raise the luminosity of signal lamps, of small dimensions, containing neon gas or other rare gases, characterized in that a lamp, with a single threaded bushing, contains, in the aforementioned cap, a blister, in size reduced with respect to those of ordinary lamps, placed with its tip facing outwards. (Machine-translation by Google Translate, not legally binding)