Museum of Ye Olde Test Equipment

I just bought one of these on E-Bay to do subwoofer frequency sweeps for audible artifacts in rooms other than the lab. I found this picture on a virtual old test equipment museum site:

museu-tecnologia

NSA 1894

Not sure what is going on here.....

Old Radio Inventions

as seen at Web Urbanist

Klystrons

Eimac in 1960 designing and building Klystrons. I got to replace a few in a UHF TV station in the 1970s. Click on the picture for a larger view.

Ultimate Hamshack - W9EVT

Oh. My. God. I've died and gone to (ham) heaven! Click on the image to enlarge. There's more. Check out the antenna farm and other radio rooms on W9EVT's QRZ.com page.

Ugly vs Pristine

Pristine construction with nice right angle bends on silver plated wire are shown here in Lane Upton's Browning-Drake Receiver. More pictures can be found on that website.

This is NOT how to prototype. In fairness, the final version of this design looks much better. It is a vacuum tube AM stereo transmitter as seen here on the radiomuseum.org site.

Ohm's Law

Coder Joke