Crossword-Solution: RADIOMETER 10 letters, 4 clues 🏆 scrabble score: 13

The calculation is based on experiments made with the radiometer of Professor Crookes, an instrument which in itself is held to demonstrate the truth of the kinetic theory of gases.

The historian never stopped repeating to himself that he knew nothing about it; that he was a mere instrument of measure, a barometer, pedometer, radiometer; and that his whole share in the matter was restricted to the measurement of thought-motion as marked by the accepted thinkers.

HEAD: LENGTH, from glabella to most prominent point of occiput; BREADTH, maximum at right angles to above; BI-AURIC BREADTH, from base of the tragus, pressing firmly; CIRCUMFERENCE, greatest circumference immediately above the glabella; AURICULAR VERTICAL ARC, from base of tragus over the vertex; AURICULAR RADII taken with a Cunningham's radiometer from the ear-hole.

Immense improvements have been effected, in the means of exhausting a given space of its gaseous contents; and experimentation on the phenomena which attend the electric discharge and the action of radiant heat, within the extremely rarefied media thus produced, has yielded a great number of remarkable results, some of which have been made familiar to the public by the Gieseler tubes and the radiometer.

Did you read the paper on the Radiometer in the last "Popular Science"? What a (not world merely) but universe do we live in! I am not willing to go out of the world without knowing all I can know of these wonders that fill alike the heavens above and every inch of space beneath.