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B McCollum
B McCollum is the author of "Earth Resistance and Its Relation to Electrolysis of Underground Structures", "Practical Applications of the Earth Current Meter", "Leakage of Currents from Electric Railways" and "Influence of Frequency of Alternating or Infrequently...
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Books by B McCollum
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Influence of Freq...
McCollum, B.
Paperback:
$15.75
Practical Applica...
McCollum, B.
Paperback:
$17.75
Special Studies i...
McCollum, B.
Paperback:
Special Studies i...
Rosa, E. B.
Paperback:
$17.75