Title: The Moon-Element
Description: Optophone reading for the blind, pp. 94-146. "In this book the reader will find the first connected account of the properties and applications of a chemical element which has raided - and disappointed - more hopes than any other element known.  Selenium is not just coming into its own, and it promises to have a paramount influence upon wireless and other new developments of the present century (d'Albe, 1924, p. 7)." 
Subjects: Assistive Technology