… for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations. …
Explanatory notes
… for measuring or detecting alpha, beta, gamma, X‑ray, cosmic or other ionising radiations (+). 9030.10 ‑ … a very light moving pointer which can be read under a microscope and then shows the total amount of radiation … a coil, usually consisting of a loop of taut wire with mirrors attached, moves in the field of an electro‑magnet. …