Twaddell's hydrometer

Definitions

  • Webster's Revised Unabridged Dictionary
    • Twaddell's hydrometer A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.
    • ***

Etymology

Webster's Revised Unabridged Dictionary
After one Twaddell, its inventor

Usage

In literature:

Twaddell's hydrometer is adapted for densities greater than that of water.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
***