PROF. W. GRYLLS ADAMS, F.R.S., will deliver a Course ot Lectures at King's College, London, on Heat and Light, during the Academical Year 1885–6. A Course of Practical Work in Electrical Testing and Measurement, with especial reference to Electrical Engineering, will be carried on under his direction in the Wheatstone Laboratory. There will also be a Course of Lectures on Mechanics and the Principles of Energy. The Wheatstone Laboratory is open daily from 1 to 4, except on Saturdays. For further particulars apply to Prof. Adams, King's College, London.