… instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising …
Explanatory notes
… and then shows the total amount of radiation which has passed through the chamber. These chambers (which often … cylinder which operates in the air gap of an electro‑magnet having one or more coils. (5) Thermocouple instruments , … Maxwell, Sauty, Schering, Kohlrausch, Wien, etc.); others have names indicating the grouping system of the units of …