| Model ID | Diamond Disc Official Laboratory Model |
| Form Factor | Floorstanding |
| Dimensions | Height = 51.0625 inches; Width = 21 inches; Depth = 22.5 inches |
| Power | Spring motor |
| Horn | No. 250 (Internal horn (16.75 in. x12 in)) |
| Motor | Type B double-spring motor |
| Cabinet | Full upright, dark oak finish (Chinese card cut frieze above grille) |
| Grille | Wooden. French Gothic. |
| Record storage | Two compartments with numbered silicate to hold 36 discs each |
| Reproducer | Diamond stylus (Rice paper/shellac diaphragm with cork center and "ivory" button) |
| Turntable | 12 in. diameter (Green felt covering) |
| Sound modifier | Mute ball of wool & cotton covered with black cloth (Pushed in and out of horn throat by a flexible cable worked by a lever fitted vertically on the inside of the cabinet) |
| Notes | Introduced as Model C-250 Chippendale in December, 1915. Renamed Model C-19 Chippendale in April, 1919.
Cost: $285 from September, 1918. |
