Helmut Ruska set the basis for the __ microscope

The first hint to crack the puzzle «Helmut Ruska set the basis for the __ microscope» is:

It is a word which contains 8 letters

The second hint to crack the puzzle «Helmut Ruska set the basis for the __ microscope» is:

It starts with letter E

E

The third hint to crack the puzzle «Helmut Ruska set the basis for the __ microscope» is:

It ends with letter N

E n

Looking for extra hints for the puzzle «Helmut Ruska set the basis for the __ microscope»:

Click on any empty tile to reveal a letter

E l e c t r o n

The answer for the puzzle «Helmut Ruska set the basis for the __ microscope» is:

E l e c t r o n

Return to Group 56

Puzzle 4

Small flying insect that bites and sucks blood

Pad of paper used to write information down

To soak food in seasoning before cooking

We get less of this in autumn, compared to summer

Unsettles, disturbs

Deep blue; the birthstone of September

Mathematical study of change; "small pebble"

Coffee extracted in small, concentrated amounts

Aerial military combat; no canines to be seen