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Morse Invents the Wireless Telegraph

Morse Invents the Wireless Telegraph by Bob Lochte,author of the upcoming book on wireless pioneer Nathan Stubblefield Murray State University It was an embarrassing distraction that Samuel F.B. Morse...

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English experiments

Again in 1885, Preece arranged numerous experiments with a view to testing the properties of induction in telephone wires to determine to what distance parallel wires could be separated before the...

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Signaling across the Tay

About this time, J. B. Lindsay was experimenting on similar lines at Dundee, Scotland, and perfected a system of radio communication by conduction, signaling across the Tay over two miles. We shall not...

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Steinheil's galvanic effect

Steinheil admitted that in practice the suggestion "only holds for small distances, and it must be left to the future to decide whether we shall ever succeed in telegraphing at great distances entirely...

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Water as a conductor

In 1811 the eminent German scientist, Sommering, of Munich, who was experimenting with a form of telegraph, used water in place of wires to conduct the current for telegraphic purposes. He found that...

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Early experiments

The early attempts to signal without wires fall into three categories. The methods employed successively were signaling by conduction, by induction, and by radiation, the latter being the successful...

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Early Wireless

CALLING ALL NATIONS -- 1941 WONDERS OF RADIO By Ellison Hawks, writing in the Popular Science Mechanical Encyclopedia, Popular Science Publishing Company, Inc., New York, 1941, p. 423 - 459. The idea...

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Early 1970s work at WECO's Refurbishing Plant

Pallets of phones waiting to be sorted. Each open topped box contained 8 to 12 sets (depending on the model) and a pallet held from 9 to 35 boxes. In the foreground below can be seen teletype machines,...

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Early 1970s work at WECO's Refurbishing Plant

A close up view of the phone sorting racks, circa June, 1972. Each row was a different type, and color. The black type 500 sets are closest to camera in the photo above. There were about 10 or 15...

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Western Electric Company

[Editor's note: At the height of its growth the Bell System employed over one million people, employing them in thousands of different jobs. E-mail me if you would like to tell your story here....

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Transistor History

MICHAEL RIORDAN AND LILLIAN HODDESON Crystal Fire The Invention of the Transistor and the Birth of the Information Age An Excerpt, Part 2 of 3 Original URL:...

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Triode Tube History

Empire of The Air: The Men Who Made Radio By Tom Lewis, HarperCollins (C) 1991 Tom Lewis All rights reserved. THE WILL TO SUCCEED ". . . By 1880, Edison had created a lamp that glowed brightly when...

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Radio Telephone

What was used before cellular: IMTS and MTS By Michael Losse: "The hardware associated with this technology was massive by today's standard. The mobile units could weight 20 or 30 pounds and consume 30...

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Radar: The Invention that Changed the World

How a small group of radar pioneers won the Second World War and launched a technological revolution by Robert Buderi, Simon & Schuster (C) 1996 Robert Buderi All rights reserved. BOOK EXCERPT,...

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Part C

As their mobiles got smaller and smaller, Motorola cellular telephones featured three major design changes, leading up to the StarTac design of today. The bag, the brick, and the flip proved extremely...

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