(rs) (1) (2) (3) (4) (5) 9015 surveying (including photo-grammetrical surveying), hydrographic, oceanographic, hydrological, meterological or geo-physcial instruments and appliances, excluding com-passes; rangefinders 1.5% 9016 balances of a sensitivity of 5cg or better, with or without weights 1.5%...