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 The National Museum of Computing (Bletchley Park)
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Heinz Nixdorf Museum
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Magic 1 - Homebrew CPU
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How to Build and info about the Kenbak-1
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Museum of Computer and Communication Technology
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Napier-Briggs Relay Computer 
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How to build a EDUC-8 Microcomputer
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A 4-Bit Counter Using Relays
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Basic Relay Computer
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Relay Computer Two
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Harry Porter's Relay Computer
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Simon Machine Definition & Programming Guide
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The Amazing R500/7T Relay Computer
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TIM 8 - A Relay Computer
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Leo Computer Society
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Vintage Calculators Web Museum
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Tony Sale & Colossus
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Fascinating Site - Old Computers etc..
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A GREAT! Simple 4-bit TTL computer
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Digi-Comp I v2.0
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Konrad Zuse
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A Simple and Affordable TTL Processor for the Classroom
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Konrad Zuse, Z3 Replica (In German)
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Organization of Computer Systems - Computer Arithmetic
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Mark-8 Minicomputer
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Microprocessor Design
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Binary marble adding machine
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Z80 Microcomputer
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Viktor's Amazing 4-bit Processor
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5E89 Russian Special-Purpose Computers
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Emidec 1100 Computer
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Geniac computer
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The English Electric DEUCE Computer Manual
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Wang LOCI-2 Calculator
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The Oldest Automatic Totalisator in Australia
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SC/MP II Project with Basic
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Early British Transistor Computers
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SWTPC 6800/6809
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6800/6809 Emulator
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The ICT 1301 Resurrection Project
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Relay Calculating Engine (Square Root)
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HP 85 Emulator 
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Hackaday - Relay projects
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Daves Big Old Computer Collection
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MK 14 Home Computer
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Threeneuron's Pile o'Poo - Great Nixie/Dekatron site.
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Difference between 74141, 7441 & K155ID
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Magnetic Core Memory Systems
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Electronics Lab
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Commutation - SCR Turn OFF Methods
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Next Level of Valve Basics
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Sam's Telecoms History
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Microchip PIC
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Inside the 74181 ALU
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Display and counting tubes
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Simple DC-DC Converter (12V - 220V)
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Triodes at low voltages
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Dieter's Nixie and other display tubes
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ExpressPCB (US Co - has free PCB/CAD s/w)
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Electronic Hobbyists Corner
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The Valve Wizard - Lots of Interesting stuff
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The National Valve Museum - see Tech articles
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Arduino Ethernet Shield Web Server Tutorial
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JavaScript Menu system
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Table Borders, Frame and Rules
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No-IP.com for Dynamic DNS
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Web Developer Tutorials, W3Schools
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PIKO Model Railways
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MERG - Model Electronic Railway Group
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Aster Hobby
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Building an A1 Class Pacific Steam Locomotive
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West Ashfield Station - The Underground's Training Facility
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Track Impedance Bonds
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EBD Eisenbahn Betriebsfeld - DSB Training model railway
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Catalogue of railway standards, signalling etc..
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Pinewood Pistol Club (My shooting club)
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Pinewood Rifle Club (One of my old shooting clubs)
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Ruger Revolvers
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Bisley Shooting Centre
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HBSA
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The Royal Navy Submarine Museum
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The US Fleet Type - Full Technical Doc.
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CuriousMarc
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Colin Furze
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Mr Carlson's Lab
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Ben Eater
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The 8-Bit Guy
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TNMoC Lecture 'The 1969 Apollo Guidance Computer'
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Claude Paillard making valves (Fascinating 17 min video)
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The Art of Making a Nixie Tube (Dalibor Farny)
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Lock Picking Lawyer
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Scary idiots, climbing Europe's tallest chimney
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Bell Rock Lighthouse
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Mumbles Lighthouse
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Archives, Magazines & Databases |
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The Hewlett Packard Archive
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Apollo Engineering Documentation
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HP Journal - Online Issues
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Model Railway Database
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Hewlett-Packard Semiconductor Cross Reference
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Component Datasheet Archive
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KeySight (HP device archive search)
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Repository of Books
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Heathkit Schematic Diagram Archive
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Free download archive for handbooks and service manuals
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Elektor Magazine
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Some Manuals, valves and Datasheet info. A French Radio Ham site
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Practical Electronics Archive
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Miscellanous & Fun Things |
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Bletchley Park
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Enigma collections in the USA
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An experimental High-Voltage Generator
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Kevin Murrell's Web Site
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Electrolytic Rust Removal aka Magic
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A Great Electromechanical Ping-Pong Game
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About Claude Paillard (French valve man)
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Epoch & Unix Timestamp Conversion Tools
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Current Local Time in the United Kingdom
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Flightradar24: Live Flight Tracker
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RPN Calculator
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Robert Henke composer, artist and software developer
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Reading, Wokingham, Bracknell 4/X4 bus Timetable
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Maps Side-by-Side
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Sunrise and sunset times in London
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Note all links open as a new window
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