Archive of Collections
| Item# | Type | Model No. | Scales | Model Name | Maker | Country | Serial No. | Case Material | Lenght Open (Closed) | Date | Condition |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OTK093 | Cylindrical | | 430 / 429 | Otis King's Patent Calculator | "Carbic, Ltd. " | UK | S10990 | Nickel-Chrome Plated Brass | "10-1/4" (6")" | 1957 | |
