However, the incandescentfilament lamp has many inherent advantages.
2
The balustrade seventy feet above the sunken gardens was surmounted by nearly two hundred incandescentfilament search-lights.
3
By the use of electric incandescentfilament lamps in conjunction with mercury-arcs, a fairly satisfactory light is obtained.
4
These additional losses are appreciable in the mechanisms of arc-lamps but are almost negligible in vacuum incandescentfilament lamps.
5
Luna Park, Coney Island, studded with 60,000 incandescentfilament lamps
6
In 1879 the incandescentfilament lamp was introduced and it began to appear on the streets in a short time.
7
Throughout the development of incandescentfilament lamps many ingenious experiments were made which resulted usually in light-sources of scientific interest but not of practical value.
8
(2) A negative particle of electricity thrown off from the incandescentfilament of a vacuum tube.