Nixies in cash register from 1973

[Tomislav Cordazzo]

https://youtu.be/_t0TVi-9TUo

From my understanding this was the Swiss prototype system before barcode was widely used. Nixies are briefly shown at about 1 minute and 2:30 minute marks.

Any guesses about the tube type?

[newxito]

Exactly, the idea was to speed up checkouts in supermarkets and automate warehousing. And even back then, they already had the "crazy" idea of connecting customers to the products they bought by giving them a card with this funny code. Creepy...