A Look Back: Nema Machine

This Nema Machine was classified and used primarily by the Swiss Army and Air Forceup until 1992. …the letter you have typed is immediately encrypted into another letter - a letter will light up on the light board, which is above the keyboard. However the electrical circuit that is created to cause the light to […]

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This Nema Machine was classified and used primarily by the Swiss Army and Air Forceup until 1992. …the letter you have typed is immediately encrypted into another letter - a letter will light up on the light board, which is above the keyboard. However the electrical circuit that is created to cause the light to go on passes through a system of rotors, and after every key stroke, at least one of the rotors rotates, so if you were to press the same letter a second time, it would now encrypt as a different letter.


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Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he’s engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.