The name for the first four-minute cylinder developed by Edison, 1908-1912. These cylinders are black in color, made of especially hard metallic soap, and were usually sold in green and white containe [..]

The name denoting Edison’s line of internal-horn cylinder Phonographs, 1909-1929.

A term used to describe a talking machine which uses a back bracket which supports the horn and thus removes its inertia from the SOUNDBOX. At the time, this configuration with a tone arm independent [..]

The metal motor mounting plate (often a casting) to which the upper mechanism of a cylinder talking machine is mounted, and from which the motor is suspended.

A smooth, grooveless unrecorded cylinder.

The blue celluloid four-minute cylinder sold by Edison, 1912-1929. The containers for these cylinders were blue until 1917, orange and blue thereafter.

The assembly which “carries” the REPRODUCER of a cylinder talking machine across the recording.

Edison nomenclature for the CARRIAGE. The HALF-NUT and its flat supporting spring are attached directly to the carrier arm on nearly all Edison machines.

Devices offered by Edison to convert pre-1908 Phonographs (which played two-minute cylinders only) to play four-minute cylinders as well.

Edison’s trade name for the five-inch diameter cylinder and the Edison Phonograph designed to play it.