Archive of Collections
| Item# | Type | Model No. | Scales | Model Name | Maker | Country | Serial No. | Case Material | Lenght Open (Closed) | Date | Condition |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OTK097 | Cylindrical | | 424 / 422 | Otis King's Patent Calculator | "Carbic, Ltd. " | UK | A9790 | Nickel Plated Brass | "10-3/4" (6-1/2")" | 1928 | |
