International Instruments Inc.
New Haven, Connecticut, U.S.
||On the bottom of the meter.
||Stamped on the top end in the battery area.
overall: 8 in x 3 3/4 in x 1 3/4 in
The IBM logo is stamped into the front of the leather case. On the face of the dial is written, "Property of IBM."
Gift of Laura Peterhans