The Libretto 50CT is a subnotebook computer designed and produced by Toshiba. It squeezed a full Windows PC into a device the size of a paperback book. The first Libretto model, the Libretto 20, was released on April 17, 1996 (in Japan only), with a volume of 821cm (50.1cu in) and weighing just 840g (30oz), making it by far, the world's smallest commercially available Windows PC at the time, and a trend the Libretto Range continued for many years. The original Libretto line was discontinued in Europe and the U.S. in 1999, but the production continued in Japan with the SS, FF and then the L series until 2002. The first L series Libretto (The L1) was released on 18 May 2001 (in Japan only) and the last (The L5) just 11 months later on 24 April 2002. Production of all Librettos ceased from 2002 until the release of the Libretto U100 in 2005.

The 50 model featured an Intel Pentium 166 MHz MMX, 32 MB RAM (expandable to 64 MB max), 2.1 GB hard disk, and a 7.1-inch TFT display.

Model number PA1249U.

Manufacturer: Toshiba
Date: 17th April 1996

This exhibit has a reference ID of CH73439. Please quote this reference ID in any communication with the Centre for Computing History.

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