'Dictaphone' is a trademarked name, but the term has come to be synonymous with machines used to record the voice.
This incarnation, complete with horn and hose records speech direct onto a wax cylinder.
Manufactured in Australia, circa 1920s. The metal plate on the front reads 'The Dictaphone, trade mark. 19 Hunter Street, Sydney. Phones B2187 – 5716 and at Melbourne, Brisbane, Adelaide.'