Lietz - Sokkisha 7312-45 surveying prism; Precision Cathode Ray Oscillograph ES-500A; B&K model 1077 Television Analyst; BK Precision Model E-3108 Square Wave Generator;
New York
Massachusetts
Vermont
Illinois
Texas
Colorado
Florida
Connecticut
California
Connecticut
New York
Pennsylvania
New York
Rhode Island
North Carolina
Texas
Washington
Massachusetts
Washington
District of Columbia