FR319860A
(en )
1902-11-25
Portable generator for the production of acetylene gas for lighting
CH26119A
(en )
1903-07-31
Portable generator for the production of acetylene gas for lighting
FR341353A
(en )
1904-08-06
Acetylene gas device for lighting city lanterns
FR322114A
(en )
1903-01-28
Apparatus producing acetylene gas for lighting
FR1090E
(en )
1903-05-25
Portable acetylene gas stopwatch lamp
CH25272A
(en )
1903-04-30
Apparatus for the production of acetylene gas
CH27389A
(en )
1904-01-15
Apparatus for the production of acetylene gas
FR327915A
(en )
1903-07-06
Acetylene igniter for lanterns
FR321649A
(en )
1903-01-15
New apparatus for the production of acetylene gas
FR327087A
(en )
1903-06-13
New apparatus for the production of acetylene gas
FR332781A
(en )
1903-11-06
Portable acetylene gas lamp
FR3140E
(en )
1904-09-10
New device for lighting gas lanterns
FR331512A
(en )
1903-09-17
New device for lighting gas lanterns
FR513017A
(en )
1921-02-05
Lighting gas conservation process
CH24444A
(en )
1902-12-31
Acetylene generator for lanterns and lamps
CH9127A
(en )
1895-03-31
Gas ejector for lighting
FR345062A
(en )
1904-11-21
Apparatus for the production of acetylene gas
FR356912A
(en )
1905-12-13
Acetylene generator for lamps and lanterns
FR340731A
(en )
1904-07-19
New acetylene gas light fixture
FR456569A
(en )
1913-08-29
Apparatus for the production of acetylene gas
CH26693A
(en )
1903-12-15
Generator for the production of hydrocarbon gas
FR319094A
(en )
1902-11-04
Apparatus producing acetylene gas called "the rotary"
FR335783A
(en )
1904-02-12
Apparatus for the production of acetylene gas
FR461685A
(en )
1914-01-08
Lighting gas production furnace
CH11930A
(en )
1896-09-15
Apparatus for the production of acetylene gas and for the use thereof for lighting