Recording Technology History 1877 – Edison made the first recording of a human voice (“Mary had a little lamb”) on the first tinfoil cylinder phonograph Dec. 6 (the word “Halloo” may have been recorded in July on an early paper model derived from his 1876 telegraph repeater) and filed for an American patent Dec. [...]
Archive of posts filed under the History Vintage category.
Apple Garage – Mac Ipod Iphone
Apple Garage – Mac Ipod Iphone
” When he was in eighth grade, Steve Jobs, later the co-founder of Apple Computer, telephoned William Hewlett, president of Hewlett-Packard. “Bill answered, and I said, ‘Hi, you know, uh, I’m 12 years old and I’m trying to build a frequency counter,’ ” Jobs recalls. Hewlett, a symbol of entrepreneurial [...]
Hysteresis – Charles Proteus Steinmetz
Hysteresis – Charles Proteus Steinmetz
Charles Proteus Steinmetz (April 9, 1865 – October 26, 1923) was an American Mathematician and Electrical Engineer. He fostered the development of alternating current that made possible the expansion of the electric power industry in the United States, formulating mathematical theories for engineers. He made ground-breaking discoveries in the understanding [...]
Online Museum of Hewlett-Packard – Ken
Online Museum of Hewlett-Packard – Ken
“This web site is devoted to the history of test equipment produced by the Hewlett-Packard Company which is now known as Agilent Technologies.”
Tour of Ken’s HP Shop
kennethkuhn.com Home
Tour of HP Garage
Agilent History Page
HP History Page
Smithsonian – The Chip Collection
Smithsonian – The Chip Collection
The National Museum of American History’s Chip Collection consists of individual donations of objects, images and documenation that traces the history of integrated circuits. The Chip Collection is a continuing work-in-progress concerning a small part of the permanent collection of the Division of Information Technology & Society’s Electricity Collections. Pictures This [...]
Hans Christian Ørsted – Electromagnetism
Hans Christian Ørsted – Electromagnetism
“He found that the magnetized needle of a compass was deflected whenever the electric current through a voltaic pile “
Google the pages of Hans Christian Ørsted
Image from Hans Christian Ørsted – Billedgalleri
Teralab Electronics projects – Robert Hunt
Teralab Electronics projects
This site is an attempt to document some of the physics experiments and science projects which I have conducted in my laboratory at home. These experiments include high vacuum, electron optics and electrostatics. There is also a virtual museum of scientific instruments, antique lamps and antique valves.
My father was interested in T.E.Lawrence [...]
Fair Radio Company Electronic Surplus
Fair Radio Company Electronic Surplus
Fair Radio Sales has been serving the public military and industrial surplus electronics since 1947. We specialize in radios, test equipment, along with MANY other electronic components. 2395 St Johns RD Lima, OH 45804.
Antennas & Antenna Accessories
Cases, Enclosures, & Cabinets
Coaxial Relays and Switches
Headsets, Handsets, Microphones, & Accessories
SWTPC – Popular Electronics – Radio-Electronics
SWTPC – Popular Electronics – Radio-Electronics
This site’s purpose is to address the lack of technical information for some of the rarer vintage computers and related peripherals, with a strong focus on SWTPC. More than 600 pages of assembly instructions, schematics, program listings, catalogs, photos and much, much more!
Popular Electronics
Radio-Electronics
Hands-on Electronics
Audio Elektronik – Analoge Elektronik
Audio Elektronik – Analoge Elektronik
Audio amplifiers, measuring instruments and test equipment for Hifi and electronics. Theory, test and analog techniques.
The test equipment gallery shows particularly old, historical partly also new measuring instruments of the electronics development, some is particularly geeinget for development of amplifier.
by Ralf Richard Ohmberger
Vintage Radio Information
Vintage Radio Information
This website is a repository and archive for a range of documents and other material of interest to collectors of vintage radios. – Paul Stenning
Various Vintage Radio Documents
UK Vintage Radio Repair and Restoration
Repair & Restoration Information
Projects to Build
Tom Jennings – World Power Systems
Tom Jennings – World Power Systems
Reference data
Technical reference data; obsolete, obscure, hard to find, and sometimes just plain old; mostly things made or written by others.
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