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Author Topic: Edison related items aquired from an Edison Lamp workers Family  (Read 259 times)

Offline maize

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Edison related items aquired from an Edison Lamp workers Family
« on: November 14, 2017, 12:38:42 pm »
I recently aquired a few Edison lamp related items from a person whose Great Grandfather worked at the Edison Lamp Company.

I have a bulb, a check , an insert from a newspaper, and origianl photos of Edison lamp works factory.

I attachd images. I am hoping to gain some insight as to what the bulb is? and its age, rarity...any info would be helpful. I ahve more photos but there is a limit as to what I can post.

Thank you!


Offline maize

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Re: Edison related items aquired from an Edison Lamp workers Family
« Reply #1 on: November 15, 2017, 07:09:22 am »
Bueller? Anyone?

Offline cmshapiro

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Re: Edison related items aquired from an Edison Lamp workers Family
« Reply #2 on: November 16, 2017, 05:53:09 pm »
I saw the check on ebay just after the listing ended. I am happy to assist with any information you would like and have studied this era of Edison's work for much of my life.

The bulb was made between there latter part of 1881 and early 1883. This was the first Edison lamp base to have the center contact and outer thread shell in the form that has sustained to this day. In the later part of 1883 the plaster upper ring was eliminated. The filament is of the 8 candlepower "B size" and is carbonized bamboo. The filament is attached with copper plated clamps, as was Edison's technique until around 1886.

If you have any interest in trading or selling any of these items I would pay very generously for them.

  Chad
« Last Edit: November 16, 2017, 06:04:07 pm by cmshapiro »