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Old westinghouse bulb

This F15 bulb is very old I do not know year it is from.

File information

Download:	Download this File
Filename:	20180404_174033~0.jpg
Album name:	alexd120 / T8 bulbs
Keywords:	Lamps
File Size:	435 KB
Date added:	Apr 05, 2018
Dimensions:	2464 x 1386 pixels
Displayed:	65 times
Date Time:	2018:04:04 17:40:33
DateTime Original:	2018:04:04 17:40:33
Exposure Bias:	0 EV
Exposure Time:	1/155 sec
FNumber:	f 2.2
Flash:	No Flash
Focal length:	4.8 mm
ISO:	40
Make:	samsung
Model:	SAMSUNG-SM-G870A
Software:	G870AUCS2DQD1
White Balance:	0
URL:	https://www.lighting-gallery.net/gallery/displayimage.php?pos=-145014
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James
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Very nice example, its the first time I see a tube marked AC or DC. I think it may be from 1953 - if 1943 I would expect it to say Westinghouse Mazda.

alexd120
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Thanks I will preserve it

sox35
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Mainly the electrical side of things

Why do people call these bulbs..? They're tubular, nothing bulbous about them at all..!

Ria in Aberdeen
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James
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The official name for a lamp envelope is still a bulb whatever its shape. Even in a fluorescent lamp plant the tubes used for the envelope are called bulbs, even though you’re right they are not bulbous at all. And HID lamps are assembled from tubular bulbs.

sox35
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Mainly the electrical side of things

Thanks James, I just assumed it was the Americans being different

Seems odd, though.

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end

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James
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Its okay, there are certainly more than enough things that the Americans find odd about our nomenclature as well!