source
On a Type-reading Optophone
event place
Londra
publisher/institution
Royal Society of London
city of edition
Londra
date
01/07/1914
type of source
Intervento in periodico
disciplinary area
language
Eng
secondary source
«Proceedings of the Royal Society of London», , Royal Society of London, 01/07/1914, Londra
extracts from the source