A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 261
fit without leakage to one another and form.a sphere.One of them has a stopcock through which the air maybe exhausted; and, on this being done, it will be foundimpossible to pull them apart, though when the air isreadmitted and the pressure restored to the interior,they will fall apart by their own…
Chemistry · Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
