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SIGCUM

Known as: M-228-M, SIGHUAD, M-228 
SIGCUM, also known as Converter M-228, was a rotor cipher machine used to encrypt teleprinter traffic by the United States Army. Hastily designed by… 
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Papers overview

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2018
2018
The smallest contractile unit within striated muscle cells are called sarcomeres. The boundary regions between sarcomeres are… 
2014
2014
Many industrial problems are concerned with optimization of large and complex systems involving many criteria. Indeed… 
2009
2009
The Late Shang dynasty is well-known for its intensive practice of human sacrifice. Headless skeletons and bodiless skulls have… 
2009
2009
Weed control relies primarily on the use of synthetic herbicides. However, concerns over their potential impact on the… 
2007
2007
KNC在今年频推新品,继M-218在市场上广受好评之后,又先后推出多款新机,本次将为大家介绍的M-228就是其中一款。无疑,配备130万像素摄像头功能是它的一大亮点,现在就请跟随本编来看个究竟吧! 
1997
1997
The development and fielding of the Converter M-228 (SIGCUM) teletypewriter cipher device by the U. S. Army during World War II… 
Review
1967
Review
1967
Two new species of Hydracarina, Tiphys weaveri (Acarina: Pionidae) and Axonopsis ohioensis (Acarina: Axonopsidae), are described…