Heathkit SB-220 Linear Amplifier Internal Photos

This post is not of my usual variety, it is simply some additional photos of a linear amplifier I have listed on ebay.  A bidder was interested in seeing some additional internal images, and since ebay only allows 12 photos and no editing of them once bids are placed….well…here you go.  They should be self… Continue reading Heathkit SB-220 Linear Amplifier Internal Photos

Monkey Messages

Ever since Samuel Morse tapped out his famous “What hath god wrought.”  message in 1844 on the primitive code key he devised others have tried to improve upon each element of the system.  This resulted, by the time the last major telegraph offices were shuttered well over a hundred years later, in a multitude of different key… Continue reading Monkey Messages