function clock1 ( )
%
%% CLOCK1 plots the minute and hour hand positions between 2 and 3 o'clock.
%
%  M = minutes past noon.
%  H = hours past noon.
%  MR = minute hand rotation, between 0 and 1.
%  HR = hour hand rotation, between 0 and 1.
%
  m = linspace ( 120, 180, 61 );
  h = linspace ( 2.0, 3.0, 61 );
  mr = mod ( m / 60.0, 1.0 );
  hr = mod ( h / 12.0, 1.0 );

  plot ( m, mr, 'r-', ... 
         m, hr, 'b-', ...
         'linewidth', 3 );

  title ( 'Minute and Hour Hand rotations, between 2:00 and 3:00' )

  return
end
