The Secret of Wilhelm Storitz 2011, Bison Books brought out a new edition, the first to be based on Verne's manuscript. Earlier editions feature a version of the novel heavily rewritten by Jules Verne's son Michel, who improbably pushed the date of the story back to the 18th century, despite many references to 19th century discoveries, such as Roentgen rays. The Secret of Wilhelm Storitz The Secret of Wilhelm Storitz ("fr.: Le Secret de Wilhelm Storitz") is a fantasy novel by Jules Verne, published by Louis-Jules Hetzel in 1910. The manuscript was written around 1897. It was the last one Verne sent to Hetzel. Railway
Roentgen (unit) directive included the curie, rad, rem and roentgen as permissible units, but required that the use of the rad, rem and roentgen be reviewed before 31 December 1977. This document defined the roentgen as exactly 2.58 × 10 C/kg, as per the ICRU recommendation. Directive 80/181/EEC, published in December 1979, which replaced directive 71/354/EEC, explicitly catalogued the gray, becquerel and sievert for this purpose and required that the curie, rad, rem and roentgen be phased out by 31 December 1985. Today the roentgen is rarely used, and the International Committee for Weights and Measures (CIPM) never accepted the use of