Series A
Nine lectures for those who would like to be better informed on current developments linked with the Thursday Series B ( which is at a more advanced level)
7: Photography without tenses by J. M. BURCH.
Light Division.
National Physical Laboratory
Produced by Rosemary Jellis
A bookie is available
Thursday: (Series B) Masers and Lasers, by Professor D. J. E. Ingram