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Steel Bros. Cheltenham unmarked carbon filament lamp Recent Ebay find, apparently this came from a private collection of scientific equipment hence the markings that have been added on around the base... This appears to be quite an old lamp (early to late 1900's?) and is devoid of voltage and wattage markings. The only markings (too faint to capture) on the glass read "Steel Bros. Cheltenham", not a brand name I've ever heard of. Who knows more?

Steel Bros. Cheltenham unmarked carbon filament lamp

Recent Ebay find, apparently this came from a private collection of scientific equipment hence the markings that have been added on around the base... This appears to be quite an old lamp (early to late 1900's?) and is devoid of voltage and wattage markings. The only markings (too faint to capture) on the glass read "Steel Bros. Cheltenham", not a brand name I've ever heard of. Who knows more?

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File information
Filename:Screenshot_20230104_125955_Gallery.jpg
Album name:LAllenLighting / GLS and Halogen lamps
Manufacturer:Steel Bros.
Date manufactured:1900s
Filesize:364 KiB
Date added:04 Jan, 2023
Dimensions:1848 x 1580 pixels
Displayed:2 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18771
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