File:IBM 3750 Switching System French lorry-based demonstration suite 1970s.jpeg

Summary
Photo of IBM 3750 Switching System French lorry-based demonstration suite in the 1970s touring France, Germany, UK, Italy, and Belgium.

In 1970 the IBM 3750 and 2750 were the first Private Automatic Branch [telephone] Exchanges in the world to be electronically controlled by internal computers. The IBM France La Gaude-developed products were sold in several countries in Europe — many continued to be used until about the year 2000.

Fair use established by me.Duncanogi (talk) 13:45, 24 May 2019 (UTC)