ICL Card Gauge
This ICL Card Gauge is made from Stainless Steel and is an E.S.O Tool No: 590497. It comes complete with plastic wallet.
Other examples of this gauge, with the same E.S.O. Tool No., have been found that are labelled 'ICT Card Gauge' (ICT being one of the companies that was merged to form ICL in 1968). Our example is definitely from the ICL era.
Date : Unknown
Manufacturer : ICL
This exhibit has a reference ID of CH2533. Please quote this reference ID in any communication with the Centre for Computing History.