from The Century Dictionary.

  • noun A very accurate balance used by assayers.


Sorry, no etymologies found.


  • From his notes and equations Seaton calculated the weight of copper necessary to exert the explosive force of one pound of nitro-glycerin, and weighed out, on the most delicate assay-balance made, various fractions and multiples of this amount of the treated copper, while Crane fitted up the bullets of automatic-pistol cartridges to receive the charges and to explode them on impact.

    The Skylark of Space


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