Westinghouse Cooper-Hewitt Mercury Rectifier Tube Bulb 1921 Vintage Data Sheet >>> FREE DOWNLOAD PDF >>>

Westinghouse Cooper-Hewitt Mercury Rectifier Tube Bulb 1921 Vintage Data Sheet >>> FREE DOWNLOAD PDF >>> - Image 2

Westinghouse Cooper-Hewitt Mercury Rectifier Tube Bulb 1921 Vintage Data Sheet >>> FREE DOWNLOAD PDF >>>

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Here is a data sheet from 1921 for the original Westinghouse Cooper-Hewitt rectifier bulb or mercury tube. This is a FREE DOWNLOAD PDF. Enjoy!

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