Nathan's Possibly Interesting web site
A portfolio type for featuring items in your portfolio.
Michaelis’s reinforced concrete calculator
Small adder, big quality
What passionate hobbyists did back in the day
It slides, it rolls… and it calculates!
Well, at least it’s pretty!
The Golden Gem adding Machine
Ugly it was, but extremely useful!
Shades of the ASCC!
As simple as it gets!
A truly ingenious device!
