Clear rough service filament bulbs
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Clear rough service filament bulbs
Clearing out some cabinets yesterday there was a small box full of new old stock lamps/bulbs made by Thorn stamped 25watt 200-250volt vacuum rough service clear glass with a 2 story type filament inside. They are bayonet fitting about two and half inches long in total. I had a google but couldn't find too much. Anyone know what these were made for or the industry they were used in?
Thanks in advance.
gp
I'll try to get a picture!
Thanks in advance.
gp
I'll try to get a picture!
Re: clear rough service filament bulbs
Especially resistant to vibration - so for use in machinery shops etc, and perfect for arcade machines!
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Re: Clear rough service filament bulbs
What, 200 -250v, 2 and a half inches long? Are you sure Chris? Exactly what sort of 'motor' would have used them?These bulbs were supplied to the motor trade for head lamps.
- badpenny
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Re: Clear rough service filament bulbs
Well there's this one, Corsa Switch.
However my Sister works for The Generating Board if you wanna meet 'er.
However my Sister works for The Generating Board if you wanna meet 'er.
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Re: Clear rough service filament bulbs
Chris wrote "lead lamps" and I changed it to "head lamps" 'cause I guessed it was a typo.
Are 'lead lamps' a thing?
Are 'lead lamps' a thing?
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Re: Clear rough service filament bulbs
Well here's a copy and paste of a response on a lighting forum that I asked for
help in understanding the useage of these particular bulbs,
Appears to be the 25w Rough Service (reinforced filament construction) version too. Good find! Often used as a 'headlight' in upright vacuum cleaners of the 60s and 70s. I Once had a Hoover branded GEC 25w SBC pygmy!
also used generally as small pygmy bulbs in fridges in ovens were other replies
GP
help in understanding the useage of these particular bulbs,
Appears to be the 25w Rough Service (reinforced filament construction) version too. Good find! Often used as a 'headlight' in upright vacuum cleaners of the 60s and 70s. I Once had a Hoover branded GEC 25w SBC pygmy!
also used generally as small pygmy bulbs in fridges in ovens were other replies
GP
Last edited by aristomatic on Sat Jul 16, 2016 10:49 am, edited 1 time in total.
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Re: Clear rough service filament bulbs
HaHa! that made me laugh! lead lights are also known as inspection lights and yes we used them in the workshop when fixing cars
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