::::: Demonstration model
Demonstrationsmodell

::::: Step drum
Stufenwalze

::::: Carriage
Zählwerk

::::: Upper main casting
Maschinenkörper

::::: Lower main casting
Lagerplatte

::::: Main shaft
Hauptachse

::::: Transmission shaft
Treibelement

::::: Setting shaft & setting knob
Einstellachsen mit Einstellgriff

::::: Demonstration kit
Demonstrationskoffer

The American Box is one of about
15 known Curta Type 1 demo sets
(based on internet sources). It's
dated June 1951.