Archive of Collections
| Item# | Type | Model No. | Scales | Model Name | Maker | Country | Serial No. | Case Material | Lenght Open (Closed) | Date | Condition |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OTK086 | Cylindrical | | 430 / 429 | Otis King's Patent Calculator | "Carbic, Ltd. " | UK | B1913 | Nickel Plated Brass | "10-3/8" (6-1/8"" | 1929 | |
