
Invented by John Shepherd-Barron, the first one was installed by Barclays in London. It used a PIN number, using a radioactive isotype as the mag strip had not been invented yet. There were no fees charged for using it.
NEW
Invented by John Shepherd-Barron, the first one was installed by Barclays in London. It used a PIN number, using a radioactive isotype as the mag strip had not been invented yet. There were no fees charged for using it.