Madrona Grove Website of Brent Hilpert Contact: bhilpert (at) shaw.ca Geographic Location: Southwest coast of B.C., Canada

Very early:

• ABC - The Atanasoff-Berry Computer
• SSEM - The Manchester Small-Scale Experimental Machine
• Simon - Edmund Berkeley's Educational Machine from 1950

Equipment Examinations & Descriptions:

• Mechanical Calculators
• EEC - Early Electronic Calculator Technology Reference
• Early Digital Test Equipment
• HP 21xx Processor Series
• HP 9830 Computer
• Digital Encroachment 1972: Heathkit AJ-1510 FM Tuner
• Early Embedded Processing 1976: Sherwood Micro/CPU-100 FM Tuner
• Becker Grand Prix 612 'Digital' Car Stereo
• Hobbyist Computing 1977: A COSMAC Elf Implementation
• Southwest Technical Products CT-64 Video Terminal
• Microtel VTX-202 Telidon Terminal
• Teleray 3931 ASCII/APL Video Terminal
• Livermore Data Systems Model A Modem
• HP 5480A Digital Signal Analyser
• Microtel Engineer's Portable Computer
• Teleprinters (aka Teletypes) *pending*
• Altair 8800i Microcomputer
• Altair 8800b Microcomputer
• S100 Miscellaneous

Other:

• Magnetic Core Memory Systems
• Core Rope & Woven-Wire Memory Systems
• Logic Gate Symbols
• NIXIE Drivers Reference
• Sperry 1M4 MicroNets (ICs)
• 4004 Microprocessor Monument
• PDP-11/HACK
• Fairchild Semiconductor Integrated Circuits - 1966 Document
• Texas Instruments Catalog 1965 - The Introduction of 5400/7400 TTL
• The Space Shuttle Plot *pending*
• Simulations List (obsolete)
• Computing History References

Tube:

• Vacuum Tube Monument
• Western Air Patrol Model 557 Receiver
• Marconi R1155 (WWII RAF receiver)
• Racal RA-117
• Bang & Olufsen Jet 508K
• Sonolor Sensation

Solid-state:

• Nordmende Transita Deluxe
• Heathkit AJ-1510
• Sherwood Micro/CPU-100
• Drake MSR-2
• Becker Grand Prix 612 'Digital' Car Stereo
• A Solid-State Hammarlund SP-600
• Harris RF-505A
• Yaesu FTDX-100 (hybrid actually)

• Western Union DeskFax Machines
• Tyrotek Analog Computer
• Pongtronics (home-built Pong game)
• Obsolete AC Power Connectors and Cordsets

• Miscellaneous Schematics

• ASCII Code Table
• ITA2 Code Table
• Model 28 Teletype Typebox
• RS-232 & Serial Signalling
• XNS - A simple 'printable' encoding for binary data
• SCOMM - Serial Communication Utility