In what year did Hans Hilfiker design the swiss railway clock with Mobatime?
Swiss railway clock The Swiss railway clock was designed in 1944 by Hans Hilfiker, a Swiss engineer, together with Mobatime, a clock manufacturer, for use by the Swiss Federal Railways as a station clock. In 1953, Hilfiker added a red second hand in the shape of a railway guard's signaling disc.
M-Bahn The M-Bahn or Magnetbahn was an elevated Maglev train line operating in Berlin, Germany from 1989 to 1991. The line was 1.6 km in length, and featured three stations, two of which were newly constructed. The line was built to fill a gap in the public transport network created by the construction of the Berlin Wall, and was rendered redundant by the reunification of Berlin.