Description | "Patentschrift…Verfahren and Vorrichtung zur Erzeugung tiefer Temperaturen". Patented in Germany, from 26 August 1926
"Patentschrift…Verfahren zur photographischen Aufnahme von Röntgenstrahlen unter Umsetzung der Härteunterschiede der Strahlen in sichtbare Töne und Aufnahmematerial". Patented in Germany, from 26 August 1926
"Patentschrift… Verfahren zur Erzeugung von Kälte". Patented in Germany, from 3 January 1929
They translate as "Procedure and device for the production of low temperatures", "Procedure for the photographic admission of X-rays…" and "Procedure for the production of cold weather".
These documents refer to the material in files FS/2/10/1-5. They were originally filed with Simon's collection of published articles. |