Signedon beam: CENTRAL SCIENTIFIC CO / CHICAGO U.S.A.
Inscribedon plate: CENCO AGATE BEARING / TRIPLE BEAM BALANCE / Central Scientific Co. / LABORATORY APPARATUS / SUPPLIES CHEMICALS / CHICAGO U.S.A. / NEW YORK - BOSTON - TORONTO - LOS ANGELES
FunctionEach of the balance's three beams has a different graduation and is meant to hold increasingly heavy weights so that it can have a broad range while remaining relatively precise.