Letter from Thomas Gold to Dr Brian J O'Brien, School of Physics, University of Sydney, Sydney, New South Wales, Australia Thanks O'Brien for his letter and enclosures. Discusses findings of MSC with regard to lunar soil. Discusses his finding with the lunar close-up camera. these will be published in 'Science' on 26 September. Will try and arrange for a set of pictures to be sent to Sydney, the images are breathtaking. 26 September 1969