retrocomputers: Memotech MTX 500 (1983)
TerryCym: The Witch Computer
TerryCym: Colossus
retrocomputers: Timex Sinclair TC 2048 (1984)
retrocomputers: Texas Instruments LCM-1001 Microprocessor Trainer (1976)
retrocomputers: HP-11C Scientific Programmable calculator (1981)
retrocomputers: HP-33E scientific calculator (1979)
retrocomputers: Rockwell AIM 65 (1978)
retrocomputers: IBM Model 200C Volt/ohm meter (1970s)
retrocomputers: Fowler's Universal Calculator (around 1940)
retrocomputers: Fowler's Universal Calculator (around 1940)
retrocomputers: Casio FX790P Pocket Computer (1986)
dawsonimages: Commander Dennison's office at Bletchley Park
dawsonimages: Bletchley Parks Wall
dawsonimages: The Cottages and Polish Memorial at Bletchley Park
dawsonimages: Enigma machine at Bletchley Park
dawsonimages: Lorenz machine at Bletchley Park
retrocomputers: Grundy Newbrain AD (1982)
retrocomputers: Grundy Newbrain AD (1982)
retrocomputers: MIcromint BCC-52 (1985-today)
retrocomputers: Sinclair ZX80 (1980) 4K ROM
retrocomputers: Intel i8008 8-bit microprocessor (1972-1983)
glynneh: The National Museum of Computing-007
retrocomputers: VEB Mikroelektronik "Karl Marx" Erfurt LernComputer LC-80 (1982)
retrocomputers: Intel SDK-85 (1980)
retrocomputers: Convergent Technologies WorkSlate WK-100 (1982)
retrocomputers: Convergent Technologies WorkSlate WK-100 (1982)
retrocomputers: Texas Instruments TM990/189 (1979)
retrocomputers: TRS-80 Model 100 (1983)
retrocomputers: HeathKit ET-3400 Microprocessor Trainer (1976)