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London Transport 22W 24V Bus lamp

London Transport 22W 24V Bus lamp

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here is a very interesting lamp to me that im glad to finally have in the collection

its the lamp London Transport used to light the inside of their buses, like the famous Routemaster and the RT type before the Routemaster

its interesting in that, its a bespoke lamp for London Transport, all other bus lamps are normally 12W or 20W, however the London Transport bulbs are 22W

I would love to know who made this for London Transport, (going by the general construction I want to say GEC for London Transport), and if anyone knows the story behind these lamps, sadly theres no visible date code

it has a 50Mm diameter bulb, shown here lit up and shown next to a Normal style 38Mm diameter 12W 24V bulb, (Used in the blind boxes of London Transport bulbs in this case) Note the camera makes it look whiter then it is

IMG_0196_6.JPG osram-2Kw-HQI.jpg Image from iOS (78).jpg Image from iOS (80).jpg

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Filename:Image from iOS (78).jpg
Album name:Bulb Freak / My lights
Keywords:Lamps
File Size:647 KB
Date added:May 05, 2019
Dimensions:2464 x 1848 pixels
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Date Time:2019:04:21 11:36:38
DateTime Original:2019:04:21 11:36:38
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rjluna2
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Robert


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May 05, 2019 at 04:59 PM Author: rjluna2
How much voltage did you apply on this bulb?

Pretty, please no more Chinese failure.

Bulb Freak
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May 05, 2019 at 05:16 PM Author: Bulb Freak
23.something volts using my variac, measured with my true RMS Fluke 87 Multimeter

My other hobby is buses, especially the Routemaster

rjluna2
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Robert


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May 05, 2019 at 05:39 PM Author: rjluna2
Ah, thanks Bulb Freak

Pretty, please no more Chinese failure.

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