Paper, 'On the heat of the Moon and stars' by Charles Vernon Boys Boys writes: 'Soon after I had completed the radio-micrometer and shown its great superiority over any form of thermopile and galvanometer, I was naturally anxious to carry out some research which would clearly demonstrate the capabilities of the instrument.' Annotations in pencil and ink. Includes a photograph and diagram of apparatus and two pages of diagrams of observations. Subject: Scientific apparatus and instruments / Astronomy Received 14 April 1890. Read 24 April 1890. A version of this paper was published in volume 47 of the Proceedings of the Royal Society as 'On the heat of the Moon and stars'. 1890