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Automatic telephone-girls: Operators replaced by machines

Automatic telephone-girls: Operators replaced by machines


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Automatic telephone-girls: Operators replaced by machines

A diagram of the mechanical telephone exchange, showing what happens once the number is dialled to when the call is received

Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries

Media ID 4358770

© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10216052

10th Automatic Call Diagram Exchange Machines Mechanical Operators Received Replaced Telephone


EDITORS COMMENTS
Step into the past with this intriguing diagram from 1906, showcasing the inner workings of an automatic telephone exchange and the replacement of human operators with machines. The image, titled "Automatic Telephone-Girls: Operators Replaced by Machines," provides a fascinating glimpse into the historical evolution of telecommunications technology. Once a call was initiated by dialing a number on a rotary phone, the call was routed through a series of mechanical components. The number was deciphered by the dial and sent as electrical impulses to the central office. The diagram illustrates how the switchboard decoded the number, connecting the call to its intended recipient. The mechanical exchange, with its complex network of wires and mechanical switches, was a marvel of engineering at the time. The diagram reveals the intricate process of establishing a connection between two parties, including the selection of the correct circuit and the engagement of the switch to complete the circuit and enable the call to be made. This diagram, published in February 1906, marks a significant milestone in the history of telephony. It represents the gradual shift from manual to automated telephone exchanges, which would eventually lead to the widespread adoption of modern digital telephone networks. The image, sourced from Mary Evans Prints Online, is a testament to the ingenuity and innovation of the past. It provides a unique perspective on the technological advancements that have shaped the way we communicate today. This print is not affiliated with any specific telephone company and is available for rights-managed use.

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