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Author Topic: Royal Ediswan Bulb  (Read 169 times)

Offline johnzissler

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Royal Ediswan Bulb
« on: April 09, 2018, 11:34:25 am »
I have a variety of original early 20th century light bulbs. One is a 'tipped' bayonet bulb that has the name 'Royal Ediswan' and 'by appointment' with the royal crest.
I have no knowledge of light bulbs and wondered if there was any value in this bulb or demand?
I have various other types of similar age including one made in Austria.