Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode

Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode

Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode
For sale here is an original vintage roll down school chart of. GERMANIUM FLAT RECTIFIER - DIODE. This fantastic chart shows the internal workings of a germanium flat rectifier, used to convert alternating current to direct current. (without poles 116cm x 76cm).

Printed on paper, it is backed with canvas and has black aluminium poles top and bottom. This chart has spent most of its life rolled up in a school cupboard so the colours are still bright. Obviously these charts are not new. There is some very light wear across the chart as can be seen in the pictures, but the overall condition is excellent.

This item is in the category "Collectables\Decorative Collectables\Other Decorative Collectables". The seller is "wildstrawberrystore" and is located in this country: GB. This item can be shipped worldwide.
Vintage GERMANIUM DIODE school chart ELECTRONICS educational chart circuit diode


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