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Martindale TEK903 Decade Resistance Box Martindale MARTEK903 P The Martindale TEK903 decade resistance box features 6 decades ranging from 10 Omega to 11 1111M Omega and high quality rotary switches Extra terminals also form an accurate potential div
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GBP123.28
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Martindale TEK905 Decade Capacitance Box Martindale MARTEK905 P The Martindale TEK905 is a reliable 5 decade capacitance box ideal for laboratory educational and calibration applications BR Capacitance values range from 100pF to 4 111 micro F with a
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GBP173.16
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Electrosound Resistance Substitution Box Electrosound RESISTANCE SUBSTITUTION B A six decade resistance box ideally suited to educational establishments Electrosound Resistance Substitution Box
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GBP83.86
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