The PB 250 (later Raytheon 250) was a general-purpose computer introduced in 1960 by the Packard Bell Corporation. The word size was 22 bits and the memory...

"PACKARD BELL 250". ed-thelen.org. A Third Survey of Domestic Electronic Digital Computing Systems. Beck, Robert Mark (30 December 1960). "PB-250 - A High...

PB 250. Together the two machines formed a hybrid general purpose/DDA computing system. The Hycomp 250 was a hybrid computer that combined the PB 250...

include the EMI Electronic Business Machine and the Packard Bell Corporation PB 250. "automatic computing engine". Science Photo Library. Retrieved 14 May 2023...

Calculating Machine Mark XI (or "Monrobot XI") Packard Bell Corporation PB 250 (PB250; no relation to the modern brand of personal computers) used, among...

also used Flexowriters The Librascope LGP-30 and LGP-21 The Packard Bell PB 250 The SEA CAB 500 The ALWAC III-E The English Electric KDF9. The Whirlwind...

PB-054 PB-057 PB-061 PB-063 PB-065 PB-069 PB-067 PB-071 PB-073 PB-075 PB-077 PB-079 PB-081 PB-082 PB-085 PB-087 PB-089 PB-090 PB-092 PB-093 PB-095 PB-097...

design, with a chassis unrelated to existing 250-series Grand Touring cars. Designed by Mauro Forghieri, the 250 P was an open cockpit mid-engined rear wheel...

business and helped develop the first silicon computer, which became the PB 250, which was modestly successful. In April 1960, Packard-Bell Computer Corp...

of lead(II) oxide (PbO) and lead(II) sulfate (Pb(SO4)) powders, and heating at 725 °C (1,000 K; 1,340 °F) for 24 hours: PbO + Pb(SO4) → Pb2(SO4)O. Then...