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"...a certain amount of salt may be successfully dropped into a tumbler brim-full of water without causing it to overflow. The particles of water, which are supposed to be globular, do not everywhere touch each other, and the particles of salt are accommodated in the interstices between them." —Quackenbos 1859

Water with Salt Molecules

"...a certain amount of salt may be successfully dropped into a tumbler brim-full of water without causing…