SENSITIVE RESEARCH
Test Consoles, Calibrators and Scale Drawing Machines for Electrical Indicating and Measuring Instruments; Electrical Instruments and Apparatus-Namely, Voltmeters, Potentiometers, Wattmeters, Ammaters, Galvanometers, Magnetic Testing Instruments, Voltage Multipliers, Voltage Dividers, Volt Ratio Boxes, Decade Boxes, and Wheatstone Bridges; Laboratory Standard Electrical Instruments-Namely, Standard Cells, Standard Magnets, Standard Resistors, Standard Shunts, Reference Standard Dynamometers a...
Expired · February 21, 1963 · 72163286 ·