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This illustration shows a beaker with chemical changes inside, which does not allow escape or access or material. The weight inside does not alter.

Beaker

This illustration shows a beaker with chemical changes inside, which does not allow escape or access…

"A beaker or drinking-cup, which was used by the Greeks in very early times. The same term was used to designate the tops of a ship, that is, the structure surrounding the mast immediately above the yard, into which the mariners ascended in order to manage the sail. This was probably called carchesium on account of its resemblance in form to the cup of the name. The ceruchi, or other tackle, may have been fastened to its lateral projections, which corresponded to the handles of the cup." — Smith, 1873;

Carchesium

"A beaker or drinking-cup, which was used by the Greeks in very early times. The same term was used…

"The carchesium was a beaker, or drinking-cup, which was used by the Greeks in very early times. It was slightly contracted in the middle, and its two handles extended from the top to the bottom. It was much employed in libations of wine, milk, blood, and honey." — Anthon, 1891

Carchesium

"The carchesium was a beaker, or drinking-cup, which was used by the Greeks in very early times. It…

"Ruedorf's sand-bath, a simple form of sand-bath in which the temperature can be regulated by raising or lowering an S-shaped burner." -Whitney, 1911

Ruedorf's Sand Bath

"Ruedorf's sand-bath, a simple form of sand-bath in which the temperature can be regulated by raising…

A test tube

Test tube

A test tube

This illustration shows a beaker and a test tube connected to each other.

Test Tube

This illustration shows a beaker and a test tube connected to each other.