Vietnam or Thailand? Vote for the TOP Country of the Week!
Want to type faster? Practice with a typing test or have fun with typing games!
Updated: July 17, 2026
Upon those principles are made two kinds of areometers one for fluids denser than water; the other for those that are lighter: the first are called salt proof; the second spirit proof.
An areometer, to be good, must be proved with distilled water, at the temperature of 55°. Areometers, being made of glass, are brittle, and must be used with great care. This inconvenience might be remedied, by making them of silver; I have seen several of this metal.
Word Of The Day
Others Looking