Category:Welsbach mantles
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Media in category "Welsbach mantles"
The following 83 files are in this category, out of 83 total.
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Catalog of portables and shades - year of 1910. (1910) (14804990663).jpg 2,593 × 3,949; 1,006 KB
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Osram Major Lighting and LED Patents.png 1,780 × 625; 384 KB
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Welsbach Tip Tray - DPLA - 2e5cd844e5f6c5d75845f25c507f8d4b.jpg 6,650 × 5,439; 2.42 MB