It's a teaching device for foreign languages.
Here is some info on a TMU-102, but same type of device:
http://cdn2.swistak.pl/a.swistak.pl/143/261/143261765_1024.jpg
http://www.swistak.pl/a39376404,TANDBERG-TMU-102.html#zdjecia
You'll need to translate the page.
Here is some info on a TMU-102, but same type of device:
http://cdn2.swistak.pl/a.swistak.pl/143/261/143261765_1024.jpg
http://www.swistak.pl/a39376404,TANDBERG-TMU-102.html#zdjecia
You'll need to translate the page.