Colour Monitor

• M. H. W. Gall MA, CEng, MIEE,
• D. G. Elias BSc

Affiliations

M. H. W. Gall MA, CEng, MIEE

H. Tinsly & Co. Ltd., Werndle Hall, South Norwood, S.E.25

D. G. Elias BSc

Henry Simon Ltd., Cheadle Heath, Stockport, Cheshire