Section 18 OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION , MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; CLOCKS AND WATCHES; M USICAL INSTRUMENTS; PARTS AND ACCESSORIES THEREOF 90 Optical, photographic, cinematographic measuring, checking, precision, medical o 90 30 Oscilloscopes, spectrum analysers and other instruments and apparatus for measur 90 30 84 90 30 84 00 Commodity Code Description 90 30 84 00 00 -- Other, with a recording device