The Calculator that spawned the Microprocessor (2009) (vintagecalculators.com)

Screenshot of vintagecalculators.com: The Calculator that spawned the Microprocessor (2009)

First screen, captured 2 years ago.

Looks similar

Screenshot of vintagecalculators.com: The Calculator-on-a-Chip (2015)

The Calculator-on-a-Chip (2015)(vintagecalculators.com)

38 points by Bogdanp 1 year ago | 5 comments

Screenshot of calculators.de: Museum of Pocket Calculating Devices

Museum of Pocket Calculating Devices (calculators.de)

71 points by ohjeez 5 months ago | 15 comments

Screenshot of mortati.com: Electromechanical Calculating Machines from the 1960's

Electromechanical Calculating Machines from the 1960's (mortati.com)

30 points by Teever 1 year ago | 8 comments

Screenshot of xnumber.com: Soviet Calculator History (1998)

Soviet Calculator History (1998)(xnumber.com)

118 points by Tomte 2 years ago | 48 comments

Screenshot of johnwolff.au: Rebuilding the Original Odhner Model 127 Pinwheel Calculator

Rebuilding the Original Odhner Model 127 Pinwheel Calculator (johnwolff.au)

15 points by goshtasb 14 days ago | 0 comments

Step-by-step guide from John Wolff's Web Museum to disassembling, cleaning, and reassembling an Original-Odhner Model 127 pinwheel mechanical calculator.

mechanical-calculators odhner pinwheel-calculator restoration

Screenshot of dunfield.classiccmp.org: Commodore/MOS KIM-1 (2004)

Commodore/MOS KIM-1 (2004)(dunfield.classiccmp.org)

44 points by peter_d_sherman 3 years ago | 11 comments