BELL PHOTOPHONE. The History of Selenium, and its Action in the Bell Photophone, with description of a recently designed Form. This is an original article from the Proceedings of the Glasgow Philosophical Society, 1881.
Glasgow: Glasgow Philosophical Society, 1881. First Edition. Disbound. 13 pages, 3 figures, 2 folding plates. Ink stamp to the rear of the plates. The Royal Philosophical Society of Glasgow is a learned society established in 1802, for the improvement of the Arts and Sciences in the city of Glasgow, Scotland..... More