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121
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123
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124
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128
Transformers being a simple non-mathematical account of the theory, operation, installation and applications of static transformer /
Published 1941“…London : E & F N Spon,…”
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129
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131
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133
Electric wiring : theory and practice for practical electricians, engineers and students/
Published 1970“…London : E & F N Spon,…”
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134
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