Frederick Bakewell (1800 - 1869) MP

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Birthdate:
Birthplace: Wakefield, West Yorkshire, UK
Death: Died in London, Middlesex
Managed by: Terry Jackson (Switzer)
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About Frederick Bakewell

Frederick Collier Bakewell

From Wikipedia

http://en.wikipedia.org/wiki/Frederick_Bakewell

(29 September 1800 – 26 September 1869) was an English physicist who improved on the concept of the facsimile machine introduced by Alexander Bain in 1842 and demonstrated a working laboratory version at the 1851 World's Fair in London.


Biography

Born in Wakefield, West Yorkshire, he eventually moved to Hampstead, Middlesex where he lived until his death. Bakewell was married to Henrietta Darbyshire with whom he had a son Robert.

Image telegraph


Bakewell's improved facsimile 1848Bakewell's "image telegraph" had many of the features of modern facsimile machines, and replaced the pendulums of Bain's system with synchronized rotating cylinders.

The system involved writing or drawing on a piece of metal foil with a special insulating ink; the foil was then wrapped around a cylinder which slowly rotated, driven by a clock mechanism. A metal stylus driven by a screw thread traveled across the surface of the cylinder as it turned, tracing out a path over the foil. Each time the stylus crossed the insulating ink, the current through the foil to the stylus was interrupted. At the receiver, a similar pendulum-driven stylus marked chemically treated paper with an electric current as the receiving cylinder rotated.

The chief problems with Bakewell's machine were how to keep the two cylinders synchronized and to make sure that the transmitting and receiving styli started at the same point on the cylinder at the same time. Despite these problems, Bakewell's machine was capable of transmitting handwriting and simple line drawings along telegraph wires. However, the system never became commercial. Later, in 1861, the system was improved by an Italian priest, Giovanni Caselli who was able to use it to send handwritten messages as well as photographs on his pantelegraph. He introduced the first commercial telefax service between Paris and Lyon some 11 years before the invention of workable telephones.[1][2]

Other work In addition to his work on facsimile transmission, he held patents for many other innovations. Bakewell also wrote texts on physics and natural phenomena.

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Frederick Bakewell's Timeline

1800
September 29, 1800
Wakefield, West Yorkshire, UK
1869
September 26, 1869
Age 68
London, Middlesex
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