nteresting modifications of " Miracle," and it is a curious fact that while in the phono- necessary to fill this receiver with highly compressed air the apparatus either for the extension of the principle, de- graph the words "Phonograph," and "How do you do?" might be fixed on the surface, or, if… … lengths of lead wire, each of make the receiver too large, a which bears upon its upper small hydraulic pump might A SIXPENNY PHONOGRAPH. surface a phonographic em- be connected to it, and by bossed record corresponding forcing water through the to a certain word or sentence, bj^ which it was…
Iron · Patents · Air · Patented · Scientific American · Molecular · Electric light · Annual report · Export edition · Water vapor · Compressed air · Tartaric acid · Wrought iron · American export · Address munn
Internet Archive · Public domain (published before 1931). Free to use for anything.
