Microdot. Goldberg had a more public platform to talk about microphotography in the summer of 1925. World War I ... I suggest that you write to Dr. Goldberg who, incidentally, is not a German but a Russian and ask him to make suggestions.
|Title||:||Emanuel Goldberg and His Knowledge Machine|
|Author||:||Michael Keeble Buckland|
|Publisher||:||Greenwood Publishing Group - 2006-01-01|