|
DK4269C
(da)
|
|
Reguleringsstrømskifter til elektriske Glødelamper med to Kultraade.
|
|
GB190307608A
(en)
|
|
Improvements in Continuous Current Arc Lamps.
|
|
CH23227A
(fr)
|
|
Conducteur électrique en carbone perfectionné
|
|
GB189419668A
(en)
|
|
Improvements in Carbons or Electrodes used in Arc Lamps for Electric Lighting.
|
|
CH25344A
(de)
|
|
Einrichtung an elektrischen Bogenlampen mit abwärts gerichteten Elektroden zur Regulierung der Abwärtsbewegung derselben
|
|
CH16327A
(de)
|
|
Elektrische Bogenlampe
|
|
CA76694A
(en)
|
|
Incandescent electric lamp
|
|
CH30934A
(de)
|
|
Elektrische Bogenlampe
|
|
GB190118795A
(en)
|
|
Improvements in Electric Lighting by Low Frequency Currents.
|
|
CH33507A
(de)
|
|
Elektrische Dampfbogenlampe
|
|
GB189627304A
(en)
|
|
Improvements relating to Electric Arc Lamps.
|
|
GB190120651A
(en)
|
|
Improvements relating to Electric Arc Lamps
|
|
GB189619757A
(en)
|
|
Improvements relating to the Connection of Constant Current Dynamos to Electric Lamp Circuits.
|
|
GB190404062A
(en)
|
|
A New Type of Electric Arc-lamp
|
|
DK5710C
(da)
|
|
Elektrisk Buelampe med to Lysbuer mellem tre Elektroder.
|
|
CH13366A
(de)
|
|
Neuartiger Kohlenstab für elektrische Bogenlampen
|
|
ES33812A1
(es)
|
|
Mejoras en lámparas de arco voltaico para corriente alterna.
|
|
CA83533A
(en)
|
|
Electric arc lamp
|
|
CA92151A
(en)
|
|
Electric arc lamp
|
|
GB190119225A
(en)
|
|
Improvements in Incandescent Electric Lamps
|
|
ES28548A3
(es)
|
|
Un procedimiento de iluminación eléctrica por incandescencia.
|
|
CA85514A
(en)
|
|
Electric incandescent lamp
|
|
DK3638C
(da)
|
|
Fjedrende Sokkel til elektriske Glødelamper.
|
|
CH31213A
(de)
|
|
Elektrische Taschenlampe mit Zigarrenanzünder
|
|
GB189609667A
(en)
|
|
Electric Arc Lamps.
|