Isitatimende esivela embhalweni othi ubani owasungula i-Optophone.
Context:I-optophone iyithuluzi, elisetshenziswa abayizimpumputhe, elicwaninga umbhalo bese likhiqiza izintambo zamathoni ezishintshashintshayo ukuze likhombe izinhlamvu. Ingenye yezinhlelo zokusebenza zokuqala ezaziwayo ze-sonication. UDkt. Edmund Fournier d'Albe waseYunivesithi yaseBirmingham wasungula i-optophone ngo-1913, eyayisebenzisa ama-photosensors e-selenium ukuze ithole umbhalo omnyama futhi iwuguqulele emibhalweni ezwakalayo eyayingahunyushwa umuntu oyimpumputhe. Inkampani yaseGlasgow, iBarr and Stroud, yabamba iqhaza ekuthuthukiseni isinqumo nokusebenziseka kwensimbi.
UDkt. Edmund Fournier d'Albe