| Description | The following instruments were furnished to the late Dr Wilson out of the Government Grant administered by the Royal Society, and therefore are the property of the government: 4" photographic telescope for taking solar photos, differential radiomicrometer, Joly's meldometer, carbon resistance box and sundries, large polar heliostat (Grubb), Callendar's electric recorder. When the time comes for returning them it would be advisable to have them sent to the National Physical Laboratory, Bushy House, Teddington. |