![Discussion on the papers “The selenium rectifier photocell: manufacture, properties, and use in photometry”, by Mr. Preston, and “The selenium rectifier photo-electric cell: its characteristics and response to intermittent illumination”, by Prof. MacGregor-Morris and Mr. Billington, before the Meter and Instrument Section, 6th March, 1936]()
Discussion on the papers “The selenium rectifier photocell: manufacture, properties, and use in photometry”, by Mr. Preston, and “The selenium rectifier photo-electric cell: its characteristics and response to intermittent illumination”, by Prof. MacGregor-Morris and Mr. Billington, before the Meter and Instrument Section, 6th March, 1936Loucks, Ivan H. · Journal of the Institution of Electrical Engineers · 1936