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GB1166009A
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Amplifier Circuit
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GB1236092A
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Improvements in or relating to voltage measuring circuits
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GB1189065A
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Alternating Current Voltage Regulator
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US3373392A
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Resistance and conductance reference decade standard
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Alternating current voltage regulator
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US3341773A
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Impedance measuring bridge utilizing delta bridge networks for balancing out spurious effects
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Low impedance measuring apparatus including a pair of multiple terminal networks and a voltage divider
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US3305769A
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Network for extending the range of a voltage divider
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US3416084A
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Precision potentiometer circuit and method for establishing same
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Frequency and amplification stabilized high power amplifier
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Stabilized wien bridge oscillator
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Primary standard voltage and current source and method for use thereof
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Uni-directional current supply and measuring means
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Impedance measuring apparatus
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Precision resistance apparatus and methods of making
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US3051922A
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Precision resistance apparatus and method of making
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US3051923A
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Encapsulated precision wire-wound resistors
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Precision temperature-regulated oven system and method of control
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US3047826A
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Precision wire-wound resistance apparatus and resistors
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