CH17773A
(en )
1899-08-31
New fixed focus arc lamp system operating on direct and alternating current
CH14036A
(en )
1897-09-30
Fixed focus, constant intensity electric arc lamp
FR349513A
(en )
1905-06-02
Low intensity arc lamp for voltage and bypass operation on direct and alternating currents
CH16917A
(en )
1899-03-15
Electric arc lamp system
CH16131A
(en )
1898-10-15
New arc lamp system
FR336344A
(en )
1904-03-05
New electric arc lamp system
FR378962A
(en )
1907-10-22
Fixed focus and variable orientation arc lamp
FR342269A
(en )
1904-09-03
AC Arc Lamp Improvements
CH11356A
(en )
1896-06-30
New electric arc lamp
CH18084A
(en )
1899-10-15
Electric arc lamp, advanced
FR330885A
(en )
1903-08-26
Projection lamp system for direct and alternating currents
CH12428A
(en )
1896-12-15
Arc lamp
CH33034A
(en )
1905-10-15
AC arc lamp with main current regulating winding
CH16540A
(en )
1898-12-15
Electric arc regulator lamp
ES23156A1
(en )
1898-10-16
A new fixed focus arc lamp system, operating in all positions on direct and alternating current.
FR9477E
(en )
1908-11-14
New electric arc lamp system
CH17053A
(en )
1899-04-30
Electric arc lamp
FR335177A
(en )
1904-01-13
Closed-cup electric arc lamp that can operate without distinction on direct current and alternating currents
FR3387E
(en )
1904-10-27
Closed-cup electric arc lamp that can operate without distinction on direct current and alternating currents
FR4240E
(en )
1905-08-25
Improvements to DC or AC arc lamps
FR341610A
(en )
1904-08-13
Inclined carbon arc lamp system
CH5324A
(en )
1892-11-30
Fixed focus voltaic are differential lamp, alternating or direct current
CH11035A
(en )
1896-04-15
Advanced Electric Arc Lamp
FR326096A
(en )
1903-05-15
Regulator device intended for alternating current circuits for lighting by arc lamps
FR362483A
(en )
1906-06-25
Arc lamp for direct or alternating current