A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Large type optical microscope for research (Ortholux) made by Leitz in Wetzlar. (See also - n 9 Sept 1939 p 358-60, n 10 Oct 1939 p 415-7)
Recent progress in design and construction of microscopes
Neue Fortschritte im Mikroskopbau
John, K. (author)
1939
2 pages
Article (Journal)
German
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Preliminary report on progress in construction and efficiency of super-microscopes
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