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Precision Temperature Measurements
Resistance Measurements by Ratio
The Problems and Progress
accuracy accuracy and precision accurate adjusted AMEY automatic battery Bureau of Standards calibration capacitance capacitor certification checking circuit confidence level connected couple custom instruments defined designed determined dial difference effects electrical standards electromotive force emissivity equipment facility factor frequency galvanometer gauge block George Washington University guard heat inductance inductor insulation junction Kelvin Kotter Laughter leakage Leeds & Northrup limit magnetic field manufacture megohms ments metal meter microvolts million National Bureau Northrup Company null detector optical pyrometer Peltier Effect picofarads potentiometer Precision Electrical Measurements QUESTION range reference resistors rheostat saturated standard cells shown in Figure six-dial slidewire stability standard cell standard lamp standard resistors Standardizing Laboratory switch Symposium on Precision target techniques temperature measurement terminal thermal EMF thermocouple thermoelectric thing THOMAS two-color pyrometer uncertainty units Universal Ratio Set voltage divider wave lengths Wheatstone bridge wire Zener Diode