Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof, other than:

  a Direction finding compasses, etc.

  b Surveying (including photogrammetrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances, excluding compasses; rangefinders

  c Instruments and apparatus for physical or chemical analysis, etc.

  d Oscilloscopes, etc.