Siemens - First x-ray tube for Prof. Roentgen and some Siemens history from their website: [siemens] Med has contributed countless innovations to the advancement of medicine over the past 125 years: e.g., 1890 – the first industrially manufactured, electric dental drill, 1896 – the first X-ray tube (one year after the discovery of X-rays), 1911 – the electrocardiogram with electronic signal amplification, 1913 – the electric hearing aid, 1956 – a universal measurement system for nuclear medicine, 1958 – the pacemaker was developed in Sweden, 1966 – the first ultrasound device with real-time imaging, and 1975 – the first instant image from a CT scanner. Siemens technicians installed an MR system in the US as early as 1982. In 1992 Siemens Med was the first to implement digital networking in a radiology department in Vienna. Developed in 1999 and based on Windows NT, the syngo user interface sets common, user-friendly standards for viewing images and operating workstations.