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August 31, 2015, 06:44:57 AM
Not much time to collect and research incandescent lamps as one can probably tell by the lack of updates to this site. My interest has picked up again after recently coming across a small lot of early electrical items, including some unusual lamps. Here's a preview while I make time to properly document these items in the galleries. As always, any additional information is always appreciated on these items, especially with the first two incandescent lamps show below.
I'd like to thank Fin Stewart in Australia for kindly sharing photos of his impressive collection of incandescent lamps and vacuum tubes. Fin's collection may be viewed here.
Some new bulbs have been added to the collection. Most notable include several early carbon filament lamps made by Siemens & Halske, DeKhotinsky, Lane-Fox, Maxim, and one presumed to be by Swan. Two circa 1900 carbon filament lamps made by the German firm Pintsch have also been added and can be viewed here.
A few new additions have been added to the collection since the last update. They include three somewhat unusual series burning Christmas lamps from the early 1900s: xl0072, xl0073 & xl0074.
Another Buckeye incandescent lamp was added with an interesting filament support. Such tip anchored lamps were popular for use in high vibration areas were more support of the filament was required, such as railway use.
Speaking of railway lamps, a unique Union Switch & Signal Mazda lamp was added. This General Electric precision lamp was used in a number of US & S Co. railroad signals.
Information about the H.W. McCandless company is presented in a new article that has been added to the website. McCandless secured a place in history by manufacturing Audion vacuum tubes for Lee DeForest. While that subject is well documented elsewhere, the subject of this article will focus on Henry McCandless himself and his miniature lamp business.
Five early British Lane-Fox incandescent lamps have been added to the collection and are documented on this page. Also presented on this page are excerpts taken from electric lighting books and electrical journals from the time period these lamps were made that discuss the Lane-Fox incandescent lamp in detail.
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