Model K (calculator)

Apr 24, 2026 - 15:24
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Model K (calculator)

added an image from wikimedia commons

← Previous revision Revision as of 09:52, 24 April 2026
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It included batteries, two flashlight bulbs as output, and two switches made from metal from a tobacco can.
It included batteries, two flashlight bulbs as output, and two switches made from metal from a tobacco can.
[[File:Model K adder 1936 CHM.agr.jpg|alt=A picture of the Model K|thumb|A replica of the Model K created in 1980]]


== References ==
== References ==
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