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Author Topic: What in the world is this bulb? circa 1915  (Read 2144 times)

Offline ABrightIdea

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What in the world is this bulb? circa 1915
« on: August 25, 2003, 11:59:00 pm »
Care of Kilokat,

I have this bulb that is elongated 2 3/4 Diameter. The bulbs lenth is 9 1/2 inches and the socket lenth is 1 3/4 inches and diameter of socket is 1 1/2 diameter. The is emerald green with a tan border. Printed "National Mazda C" (The Way to Better Light). National Lamp of General electric Co. Sold by "Bryan Marsh lamps" Standard Package 12...Last Patent date is Sept. 21, 1915...Inside the bulb on the glass mantle base is hand lettered "P6" "ao" "29"

Kevin..

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[This message has been edited by ABrightIdea (edited August 26, 2003).]