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Mildly. It's in the name, ffs. The modern "bulb" in a 150-year-old lighthouse. This is an SL-LED modern high output optic that replaced what originally would have been a 1500W halogen bulb, or dual 1000W halogen 2P lamchanger, depending on the age of the optic. The glass housing on the outside is a Fresnel lens ( probably 3rd order from what I ...
5 days ago · Here are some Edison, glass jar, signal batteries I bought from a signal maintainer about 23 years ago. I think batteries like these, along with other examples of old electrical technology would make a very interesting museum exhibit. I imagine visitors with an electrical or electronics background would enjoy seeing them.
1 day ago · Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.
1 day ago · One of the first great names of the age to be captured in color was the renowned American writer, Mark Twain. US-born British photographer Alvin Langdon Coburn learned the autochrome technique ...
4 days ago · Though the black cast-iron lamp is the only one of its kind to still survive today, it’s been powered by electricity since the 1920s.
Insulators For Sale and Trade. Glass Insulators were first produced in the 1850's for use with telegraph lines. As technology developed insulators were needed for telephone lines, electric power lines, and other applications. In the mid 1960's a few people began collecting these glass and porcelain insulators.
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2 days ago · Nikola Tesla ( / ˈtɛslə /; [2] Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July [ O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American [3] [4] inventor, electrical engineer, mechanical engineer, and futurist. He is known for his contributions to the design of the modern alternating current (AC) electricity supply ...
