HEATKEYS

The Museum of HP Calculators displays and describes older Hewlett-Packard calculators. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting informatio...

The museum of HP computers is a collection of HP computing products introduced between 1966 and 1991. The museum contains: calculators, desktop computers, computer systems, tape drives, disc drives, plotters, printers, digitizers and other hardware.

The Old Calculator Web Museum is a virtual museum of old electronic calculating machines. Detailed information on calculators from the earliest electronic calculators through the early 1980

Slide Rule Museum/Library/Encyclopedia

Official Web site of the National Air and Space Museum in Washington, DC and the Steven F. Udvar-Hazy Center in Chantilly, Virginia. Largest collection of historic aviation and space artifacts in the world, including the Wright brothers