Archive of Collections
| Item# | Type | Model No. | Match No. | Variant No. | Model Name | Maker | Country | Production or Serial No. | Material | Scale Length | Date | Condition |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KEU451 | Linear | Polyphase Mannheim Adjustable | Keuffel & Esser | USA | Engine divided celluloid laminated mahogany | 1929 |
