Amateur Photographer on MSN
Classic film cameras: the clever Olympus OM-2N
John Wade reviews one of the great Olympus SLRs of the 1970s, the Olympus OM-2N. The post Classic film cameras: the clever ...
2N, the global market pioneer in internet-enabled intercoms and access control systems, has launched a new access control reader, the 2N® Access Unit 2.0, which supports three access technologies, ...
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Russia’s Don-2N Radar Is an All-Seeing Monster
The development of the Don-2N was a significant engineering feat, requiring advanced materials, precise manufacturing, and sophisticated software to meet the demands of modern missile defense. Known ...
THE author of this volume has evidently devoted much research to the interesting study of magic squares, and though many results of his work were published in Amsterdam in 1931, it is pointed out that ...
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