Vintage Micronta continuity tester : curiosity teardown

I recently found this unusual tester at a yard sale. Oddly, It's not one that I remember seeing there back when I used to be a frequent customer. As far as I can tell, it only appeared in the Radio Shack catalogue in 1989 and 1990 Let's see how it works and what's inside. ----- My tip jar: https://www.patreon.com/pileofstuff My other tip jar (channel membership) : https://www.youtube.com/channel/UCRiFz3gNKE3VysarZ7nmqIA/join Buy me a coffee (or a beer): https://ko-fi.com/pileofstuff If you are OK with me getting a commission on your purchases, feel free to use my affiliate links: Ebay: https://ebay.to/33IF7PA Banggood: http://pileofstuff.ca/r/9ajsf Some other links to products may be affiliate links https://odysee.com/@pileofstuff #ElectronicsCreators ----- This isn't the only way to do it. It's probably not the best way to do it. But it's how I did it.