Resistance Decade. Standard Resistance. Inductance Standard.
RTD. Standard Decade Box. Decade Boxes. Standard Resistor.
Standard Capacitor. Inductance Decade. Standard Resistance.
Capacitance. Inductance Standard. Decade box. Substituter.
Resistance Box. Resistance Standard. Programmable Resistor Decade.
Capacitor Decade Box. Programmable Decade.