Helmut Ruska set the basis for the __ microscope

CodyCross logoHere is the CodyCross answer for the clue “Helmut Ruska set the basis for the __ microscope”. This 8-letter answer belongs to the Inventions pack (Group 56, Puzzle 4). If you are stuck on this clue from CodyCross — the themed crossword puzzle game developed by Fanatee — you will find the exact solution below along with every other clue in the same puzzle. Our database is verified by hand and updated daily against the official English version of the game.

Answer
ELECTRON
8 letters