U.S. Philips Corporation

Ursula Bruggemann

Wilfried Ludwig Kohlmann

Jacques Mj Geboers

Antonius J Van Hees

Antonius Jm Van Hees

The electric incandescent lamp has a sintered glass plate (,) through which current conductors (,) and a metal tube (,) extend. An incandescent body (,) is connected to said current conductors (,) aligned with respect to the sintered plate (,). A glass bulb (,) is present over the incandescent body (,), gastight secured to the sintered plate (,) by means of enamel (,). A water getter (,) and a heavy gas at an elevated pressure are present inside the glass bulb (,). The lamp may consume a relatively high power and may be relatively small, but nevertheless has a relatively long life.

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La Gault Saint-Denis, France

Ursula Bruggemann