Nathan's Possibly Interesting web site
A portfolio type for featuring items in your portfolio.
All four of them!
The Arnault-Paineau calculator
Well, not exactly a slide rule…
Jean-Antoine Lafay’s Hélice a Calcul
Navigation in the days before Waze…
An ingenious and unusual form factor
A nifty little calculating device
The perfect gift for the calculating geek!
When Intel enabled the personal computing era
A full-fledged slide rule 5 cm in diameter
