Nov 26, 2006 · I suspect that the model "k" was just a simple relay half-adder, used to demonstrate the principles of mechanical maths. The relays being switched on by single pole …

The Model K was an early 2-bit binary adder built in 1937 by Bell Labs scientist George Stibitz as a proof of concept, using scrap relays and metal strips from a tin can. The "K" in "Model K" …

Please click on the tiles below to locate the diagram, schematic or manual you want. Most diagrams and manuals are in Adobe PDF format and are completely free to download. No …

Stibitz's "Model K" (for “Kitchen”), was the first electromechanical computer built in America. In 1939 Stibitz and Samuel Williams of Bell Labs in New York City began construction of the …

Called the “Model K” Adder because he built it on his “Kitchen” table, this simple demonstration circuit provides proof of concept for applying Boolean logic to the design of computers, …

May 3, 2021 · His colleagues were amused and called the device “Model K” after the kitchen table where it was created. It might have ended there, if it was not for Stibitz’s innate curiosity. He …

Click on a brand / manufacturer name on the left to find the service manual and/or schematic for your model or chassis. Downloadable PDF service manuals, repair manuals, schematics, …

George Stibitz made the original version of this in 1936 on his kitchen table, hence the name “Model K.” Using scrapped relays from Bell Labs and strips of metal from a tin can, it can add …

Chapter Menu 1. Story of the Relay Calculator 2. How the Model K Works

Reproduction built by George R. Stibitz, creator of the original Model K Adder. Original created in 1939.