Greetings Card : Grammes dynamo-electrical machine
Cards from Mary Evans Picture Library
Grammes dynamo-electrical machine
Engraving by W. Bazzett Murray showing Grammes direct-current dynamo. Zenobe Theophile Gramme (1826-1901) built the first successful dynamo in 1869, incorporating a ring-wound armature ( Gramme ring ), which after various improvements, he manufactured in 1871. It was the first electric generator to be used commercially, for electroplating as well as electric lighting
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Media ID 4361432
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10216286
1826 1869 1871 1878 Armature Commercially Current Direct Dyn Amo Electric Electrical Electroplating Generator Improvements Incorporating Lighting Manufactured Murray Ring Successful Theophile Wound 1901 Gramme Zenobe
Greetings Card (7"x5")
"Bring a touch of historical innovation to your greetings with our unique Media Storehouse card range. This captivating design showcases the Gramme Dynamo-Electrical Machine, an engineering marvel from the past. Created by renowned engraver W. Bazzett Murray, this enchanting image brings to life the groundbreaking invention of Zenobe Theophile Gramme. Built in 1869, the Gramme Dynamo was the first successful direct current dynamo, marking a significant milestone in the history of electricity. Add a dash of science and history to your correspondence with these thoughtfully crafted greeting cards, perfect for the curious and the clever. Impress your loved ones with a piece of intriguing history that's sure to ignite conversation."
Folded Greeting Cards (12.5x17.5 cm) have a laminate finish and are supplied with an envelope. The front and inside can be personalised with text in a selection of fonts, layouts and colours.
Greetings Cards suitable for Birthdays, Weddings, Anniversaries, Graduations, Thank You and much more
Estimated Product Size is 17.5cm x 12.5cm (6.9" x 4.9")
These are individually made so all sizes are approximate
Artwork printed orientated as per the preview above, with landscape (horizontal) or portrait (vertical) orientation to match the source image.
EDITORS COMMENTS
This engraving by W. Bazzett Murray depicts Zenobe Theophile Gramme's groundbreaking dynamo-electrical machine, which he built in 1869. Gramme is considered the father of the electrical industry for his invention of the first successful dynamo, featuring a ring-wound armature, also known as the Gramme ring. This design revolutionized the field of electricity, leading to its widespread use for various applications, including electroplating and electric lighting. Gramme's dynamo marked a significant milestone in the history of electrical engineering. Prior to its invention, electricity could only be generated locally and was not practical for long-distance transmission. However, Gramme's dynamo, with its efficient design and ability to generate a steady, continuous current, paved the way for the development of central power stations and the electrical grid. The machine shown in this engraving is a direct current (DC) dynamo, which converts mechanical energy into electrical energy through the movement of a rotor inside the machine. The armature, which is ring-shaped, is coated with a conductive material and wrapped with insulated wire. As the rotor turns, a magnetic field generated by the field coils causes the electrons in the wire to flow, creating an electrical current. Gramme continued to improve upon his design, and in 1871, he manufactured the dynamo on a commercial scale. This machine, which is depicted in the engraving, was a 21 horsepower, 2nd class dynamo, capable of producing 21 amperes of current at a voltage of 100 volts. The dynamo was imported into the United States in 1878 and was a major influence on Thomas Edison's development of the incandescent light bulb. Gramme passed away in 1901, leaving behind a lasting legacy in the electrical industry.
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