Edward Hope Kirkby They are buried together at Waverley Cemetery. So ended a life of invention largely unrecognised as biographers of George Taylor and Archibald Shaw claimed all the credit for them for Kirkby’s endeavours. Edward Hope Kirkby was a jeweler watchmaker in Williamstown who eventually became a manufacturing electrician making systems of fire protection, in 1908 he invented and patented the first automatic sprinkler alarm. He is first recorded as experimenting with X-ray in September 1896 This is only 9 months after Roentgen presented his discovery of X-rays. He is reported as experimenting with the medical staff at Williamstown Hospital later that
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