Letter from Thomas Gold to Mr A G Little, School of Physics , University of Sydney, Sydney, NSW, Australia and Dr B Y Mills, School of Physics, University of Sydney, Sydney, New South Wales Encloses the information on amplifiers. They will lend them one as soon as they can - perhaps already in a few days, by air freight. He hopes all this is useful to him. Let them have any information about numbers needed and subsidiary equipment in case they can help them with that also. 12 October 1971