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> Early large electrical dynamo machine 1882 print
Early large electrical dynamo machine 1882 print
This is a vintage technical engraving titled "Gordon's Dynamo Electric Machine. Messrs. The Telegraph Construction and Maintenance Company, Greenwich, Engineers." It is in excellent condition and was published in a British engineering journal , and is dated October 27, 1882. The engraving shows an elevation view (with an early electrical engineer seen with wrench in hand), and construction details of this large early electrical dynamo designed to supply current for large scale electrical lighting and telegraph systems. It is accompanied by an article describing the machine in some detail.
A dynamo, originally another name for an electrical generator, now means a generator that produces direct current with the use of a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter. They are rarely used for power generation now because of the dominance of alternating current, the disadvantages of the commutator, and the ease of converting alternating to direct current using solid state methods.
The word still has some regional usage as a replacement for the word generator. In the UK, a small electrical generator built into the hub of a bicycle wheel to power lights is called a Hub dynamo.
The overall size is approx. 11 by 15 inches. There is text on the reverse side.This is an original period item, over 125 years old and guaranteed to be as described.
(Matted and Framed prints not included in this offer)
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When matted and framed these antique prints make very fine gifts! We can mail these directly to a third party if you wish.
