In 1910, Robert D. Hickok, Sr. founded the Hickok Electrical Instrument Co. in Atlanta, GA. Hickok was previously a watchmaker and jeweler. Along with one assistant and using a small building behind ...

There is nothing simple about a good vacuum tube tester. In fact, most tube testers were very complicated to set up for each different type of tube to be tested. Testing a quantity of different tubes ...

We think of punched cards as old-fashioned, but still squarely part of the computer age. Turns out, cards were in use way before they got conscripted by computers. Jacquard looms are one famous ...