History Vintage (Page 2)

Tech History and Antique Equipment

History and accomplishments of the General Radio Company, one of America’s first equipment manufacturers for the radio and electronics industry.

General Radio Historical Society

Founded in Cambridge, Massachusetts in 1915, GR provided the tools and instruments that allowed the electronics industry to burgeon into today’s giant that fills our lives with radio, TV, computers, cell phones, DVDs and all the other electronic products in our homes, businesses and automobiles.

General Radio Experimenter

General Radio Experimenter

This pioneer publication first appeared in June 1926 and became the model for many others to follow (most notably the HP Journal). It began with engineers talking to radio amateur customers and gradually changed to engineers talking to other engineers, who might also be customers.

GenRad 1863 Megohmmeter

GenRad 1863 Megohmmeter

The GenRad 1863 Megohmmeter is the choice for production and inspection tests on devices with resistances up to 20 Tohms.

Read more at my EEMetric Genrad Wiki Stub

Amplifier.cd – measuring instruments – audio

Amplifier.cd - measuring instruments - audio

The Content consists of theory, test, analog technique and measuring instruments for amplifiers, electronics and Hifi.

A Tutorial describes fundamental ideas of electro-technology and the general amplifier and audio technology. The test equipment gallery shows measuring instruments – older, historical and partly new.

7A42 is 4 channel Plug-in amplifier

Obsolete Test Equipment Gallery

The 7A42 is 4 channel Plug-in amplifier up to 350 MHz. Conceived for the measurement of logic signals and offers the possibility for triggering the inputs logical AND/OR. So 4 data lines can be observed at the same time on the oscilloscope.

He has many achivements to his credit; From converting a Thomas Saf-T-Liner, a flat-nosed diesel school bus into a family camper To a DIY Op-Amp Hot Tub Temperature Controller.

 DIY Op-Amp Hot Tub Temperature Controller

Look at Mr. Jake von Slatt, How he done things. This is what we learn from him …SteamPunk Workshop Guitar Amp

Jake’s School Bus Conversion and Other Projects

Jump into the problem and solve it, See the way a Creative DIY Enthusiast solves an automation problem at home. The Job gets done this way, such seasoned people are rare. Now the idea is …

Think – Deliberate – Draw – Build – Test – Install

We all get stuck at the ‘Deliberate’ step, If its team work, a few should leave the desk and the conference rooms and start Prototyping and Simulating. This helps understanding a tough problem. Better still find a fast and simple solution.

Then there is that Sensational Site That Jake Built – The Steampunk Workshop. This is where it all Happens.

Some Audio and other Articles/Projects on Vacuum Tubes or Valves. Also he has made Online Calculators .. Bias Tool, Gain Tool and Low crossover cap.
Tube-G Pages from Peter
Vacuum Tube-G Pages from Peter

Some articles written by Alan Kimmel, as it did in the years 1993 to 2004 on the original Tube Labs.

  • The Choke Assisted Mu Stage
  • Why use the Kimmel mu stage
  • 7 A few variations of the mu-stage

Related –
Welborne Labs – Wide assortment of DIY components, kits and factory assembled hi-fi gear.
TubeLab – Dedicated to advancing the state of the art in affordable high end audio.

This is a easy to use Electronics Component eStore. And so well sorted and Boxed. They also buy unused Inventory or surplus from You. They specialize in electronic and electro-mechanical parts and assemblies.All Electronics - Pre-owned or New Parts and Equipment

All Electronics – Pre-owned or New Parts and Equipment

From robotics, electric trains, surveillance, remote control models, antique radio restoration to Used Parts and Assembly; They have it all for the student, hobbyist or even that rare Inventor. Since 1967 they have this service, nearly a year after i was born. They are as old as Me.

All Electronics Corporation
14928 Oxnard Street, CA 91411-2611, USA

They are Experts with hard to find electronic parts from audio ICs and devices, to transformers and relays. An inventory that is made up of obsolete and active items.

Electronic Surplus – Obsolete Rare Components

Surplus Electronics: Switches, Capacitors, Transformers, Connectors, Motors, Meters & Analog Indicators, Semiconductors and More.

Sell or Dispose your stagnant inventories or unused items to Electronic Surplus. This is a Green Solution, Recycle, it also helps small entrepreneurs do something new. Remember old parts may corrode and get infested if idle for long. Electrolytics and Batteries do not have a good shelf life.

Electronic Surplus - Obsolete Rare Components

“E.S.I. was started by Clyde Daniels back before 1930 when he was selling all types of material he then progressed to Military surplus after World War 2 when his son Dick joined him after serving on PT boats in the Navy and Dick mother Ida Maye completed the family operation.”

Electronic Surplus Inc
8755 Munson Road #6, MENTOR, OH 44060