There was also the possibility, if the converter station in Kingsnorth was out of service, to run the system as mercury vapour rectifiers.
12.
An HMI lamp uses mercury vapour mixed with metal halides in a quartz-glass envelope, with two tungsten electrodes of medium arc separation.
13.
In 2011, the municipality maintained a total of 1, 126 street lamps : 184 sodium lamps, four mercury vapour lamps and 990 tube lights.
14.
His Hebridean collection, started on Barra in 1936 was continued on Canna from 1938 with the use of a mercury vapour moth trap from 1951 onwards.
15.
In the late 1970s, the original incandescent platform lights that automatically lit when stopping trains approached were replaced with more efficient permanently lit mercury vapour lights.
16.
Other than mercury vapour, are there any other common metals-as-gas ? talk ) 06 : 22, 26 July 2011 ( UTC)
17.
In July 2009, the bridge's lighting system was updated with new LED lights to replace this existing system of 100-watt mercury vapour bulbs.
18.
By means of a commutator the mercury vapour and helium tube is placed in circuit for two-thirds of a revolution and the neon tube for the remaining third.
19.
There are a total of 4, 517 street lamps in the town : 275 sodium lamps, 201 mercury vapour lamps and 4, 041 tube lights in the town.
20.
Historically, other working fluids such as mercury have been experimentally used in a mercury vapour turbine power plant, since these can attain higher temperatures than water at lower working pressures.