The only Z4 Konrad Zuse ever built may also be the first computer sold and put to work by a paying customer.
Source: Clemens Pfeiffer (CC BY 2.5)
The Zuse Z4
The only Z4 Konrad Zuse ever built may also be the first computer sold and put to work by a paying customer.
Source: Clemens Pfeiffer (CC BY 2.5)