— electroscopes and electrometers, including dosimeters (but excluding instruments intended for instruction purposes, simple metal leaf elec troscopes, dosimeters specially designed for use with medical X-ray equipment and electrostatic measuring instruments);
— leíctreascóip agus leictrimèadair, lena n-áirítear dosaiméadair (ach gan iad seo a leanas a áireamh; ionstraimí atá ceaptha le haghaidh teagaisc, leíctreascóip shimpli duilli miotail, dosaiméadair atá ceaptha go speisialta lena n-úsáid le trealamh liachta X-gha agus ionstraimí tomhais leictreastatach);