Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 173,091 pages of information and 249,766 images on early companies, their products and the people who designed and built them.

of Arlesey, Beds, maker of industrial lasers

1981 Supplied laser to the Bank of England for cutting the security thread in the new 50ドル note^[1] ; the system was developed in conjunction with the Culham Laboratory of the UKAEA ^[2]

1987 Acquired by 600 Group ^[3]

See Also

Sources of Information