Signeddial reads: WESTON ELECTRICAL INSTRUMENT CORP., NEWARK, N.J., U.S.A.
on box: WESTON ELECTRICAL INSTRUMENT CORP. / NEWARK 5, NEW JERSEY, U. S. A.
on box: MADE IN U. S. A.
Inscribedthe back of the object is stamped: 446
back of object has a sticker that reads: 62499
a tag included in the box reads: THIS METER WILL READ TO THE "0" VU MARK WITH 1.228 VOLT A.C. APPLIED WHEN 3600 OHMS IS IN SERIES WITH THE METER.
the label on the outside of the box reads: MODEL 732 IND / VOLUME IND LEVEL / TYPE 30 SCALE [?] / FL. BAKE. SPEC. CASE
FunctionMeasures sound intensity.
The VU scale was developed by radio broadcasters in the 1930s as a more accurate measure of the human perception of sound intensity of broadcast signals. For a detailed explanation, see this website.
ProvenanceFrom William James Hall, Harvard University.