|

Running a rare 15 W metal halide lampMax
|
|

Infrared conservation in SOX lampsMax
|
|
|

Various highly loaded arcsMax
|
|

1975 GEC MBTW/V 175W in operationMax
|
|

Graphic art metal halide lamp at two power settingsMax
|
|

Dimming a 1.2 kW short-arc metal halide lampMax
|
|

Vintage glowMax
|
|

Filtered sodium lampMax
|
|

Homemade sodium lampMax
|
|

EWJona 10S50Max
|
|

Molecular afterglow in a Philips SN lampMax
|
|

Modified HQI-TS 150W/NDL ExcellenceMax
|
|

Unusual 700 W mercury lampsMax
|
|

Ongoing test with an HID uplighterMax
|
|

Lamp coupling experimentMax
|
|

New generation of metal halide short-arc lampMax
|
|

Peculiar internal construction of a self-ballasted mercury lampMax
|
|

Extinct alreadyMax
|
|

Testing a rare white sodium lampMax
|
|

Deuterium reference lamp systemMax
|
|

Deuterium source lamphouseMax
|
|

Deuterium lamp in operationMax
|
|

Lamp test setupMax
|
|

General test setupMax
|
|

Classic half-coated East German mercury lamp in operationMax
|
|

Classic American 100W BT25 mercury lamp in operationMax
|
|

QL demonstration lampMax
|
|

Capacitive influenceMax
|
|

Sparks in a XenecoMax
|
|
|