The Siemens & Halske "Anlage 14" – A Patchboard-Controlled Experimental Lathe from the Zentrale Werkzeug- und Maschinenfabrik München (ca. 1955): Technical Analysis, Patent Archaeology, and Provenance Documentation

Key Points

• To analyze and document the technical history and provenance of a unique experimental lathe.
• Conducted a technical analysis of the lathe's design and workings.
• Performed a patent family analysis involving seven patents from 1951 to 1959.
• Examined CIA archival materials related to the lathe.
• Reconstructed the provenance and restoration history of the lathe.
• Detailed documentation covers 739 paragraphs and 164 footnotes.
• Identified connections to Dr. Eberhard Spenke's research in semiconductors.
• Established the lathe as a significant artifact in the context of its era.