- The
Carcel lamp was an
efficient lighting device used in the
nineteenth century for
domestic purposes and in
France as the
standard measure for illumination...
- The
Carcel is a
former French unit for
measuring the
intensity of light. The unit was
defined in 1860 as the
intensity of a
Carcel lamp with standard...
- The
moderator lamp is a type of 19th
century oil
lamp. It
displaced the more
complex Carcel lamp which used a
clockwork pump. Its
mechanism was simpler...
- up the wick. This made the
lamps top
heavy and cast a
shadow in one
direction away from the
lamp's flame. The
Carcel lamp of 1800,
which used a clockwork...
- A lava
lamp is a
decorative lamp,
invented in 1963 by
British entrepreneur Edward Craven Walker, the
founder of the
lighting company Mathmos. It consists...
- A sodium-vapor
lamp is a gas-discharge
lamp that uses
sodium in an
excited state to
produce light at a
characteristic wavelength near 589 nm. Two varieties...
- A
fluorescent lamp, or
fluorescent tube, is a low-pressure mercury-vapor gas-discharge
lamp that uses
fluorescence to
produce visible light. An electric...
- many
different types of
fluorescent lamp have been introduced.
Systematic nomenclature identifies m****-market
lamps as to
overall shape,
power rating,...
- were adopted.
Burned in a
Carcel lamp, it was part of the
definition of the
French standard measure for illumination, the
carcel, for most of the nineteenth...
- A
germicidal lamp (also
known as
disinfection lamp or
sterilizer lamp) is an
electric light that
produces ultraviolet C (UVC) light. This short-wave ultraviolet...
