At 06:41 PM 7/14/98 GMT, you wrote: Not many, 10 to 20, and some I don't know if to count, such as pc boards with a 6802, 2716, and 2 6821 ic's. I think they came from a cash register system. Others like XT motherboards... 1. Mixed brand S-100 System. Either Flashwriter display or serial to Heatkit H19 terminal. Extra crate and misc cards. 2. Various PC clones. I am using a 386 now. No Pentiums or higher. 3. A few Z-80 test computers. 8 or so ic's on a single board. 4. 80188 board computer for "Radio Electronics" Robot. 5. Homebrew game of "life" computer. (1973) 6. Calculator built from neon bulb "shift register counters". Input is a rotary telephone dial. I think subtraction was "1's complements". (about 1968) Interesting peripherals from late 1970's when I was going a lot. 1. SWTP CT-1024 modified for 64 columns and graphics. Hope to get this working again with some computer. 2. Sylvanhills flat bed plotter. Used DC motors and opto-interruptor wheels which I replaced with stepper motors. 3. Stepper motor 3 axis wax carver. Used cylindrical coordinates. The wax block rotated on a turntable. Literature, including First 7 years of Byte. First few years of Dr. Dobbs, the bound volumes, I didn't keep the individual issues. 2 of the Creative Computer games books. 10 issues of "Computer Hobbyist", I have just found the remaining issues. Documentation for Scelbi 8H and other 8008 stuff. Other construction type books. Various parts, including a box of RTL ic's, 1101 memory's. There apparently was an ad in 1967 "CQ" for an RTL computer. Yes, it would be fun to find things like this. I still have the 3 potentiometer "analog" computer I built for some science fair. The Digicomp I cost $5.95 in 1969 from Edmund Sci. Others were various mechanical (Dr. Nim) and electronic NIM players, Computers like "Brainac", and later in 1971, a National Radio Institute computer using 53 TTL ic's. Have seen only ad's. A RCA projects book I have has a "slot machine" built from individual transistors for flip flops, gates, multivibrators, etc. It "computed" the score, so was a calculator of sorts. Speaking of books, has anyone seen the book "We Built our own Computers" by A.B. Holt, Cambridge Univ. Press, published about 1966. -Dave