Tangible Media: Removable Storage of Image, Sound, Motion and Data
Tangible Media: Removable Storage of Image, Sound, Motion and Data
Tangible Media: Removable Storage of Image, Sound, Motion and Data
Grooves
Edison Diamond Disc

Title:

Blue Jay and The Thrush / Asleep in the Deep

Artist:

Byron C. Harlan and Joe Belmont

Date:

1915

Material:

Condensite varnish on wood-flour core

Dimensions:

10 × ¼ in. (25 × .64 cm)

Company:

Edison

Location:

Orange, New Jersey

The disc required a diamond stylus and was 1⁄4 in. thick to prevent warping, a particular issue since the grooves were vertical cut. "Condensate Varnish" is a brand name for an early synthetic resin related to Bakelite.