Few people have heard of it, yet many consider John Blankenbaker's KENBAK-1 to be the first commercial personal computer.

Koss introduced these headphones over 40 years ago, and they remain affordable favorites to this day.

Oh, How Far We've Come

Simple elegance

Gerard recently sent a few photos of this old Sony table radio, asking for more information.

It's a Sony TR-72, released only a few months after the company's legendary TR-55 transistor set. This model was imported into Canada between 1956 and 1960 by Manitoba-based Gendis (General Distributors) -- hence the "Gendis / Sony" branding on the tuning knob. These radios were quite popular in Canada for a year or so before the Sony TR-63 made its way to the USA, and a total of around 40,000 TR-72s were produced. 

Slightly battered back panel

The 10 cm speaker puts out 0.2W of sound, and the set is powered by 3 x 1.5V batteries. There was apparently considerable variation in the color of the wooden case, which adds to the unit's charm and collectability.

Gendis/Sony branding

Above all, the TR-72 is a wonderful reminder of how much technology has changed in only a few decades.

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