| Book | Page | Context |
|---|---|---|
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Ball 1930 36 ALL PASS and COMM exc CC DC IEC IFC 1937 39 ALL COMM 2 902101 ND 0101 Ball 1930 36 ALL UT lLI 1 Y 2 902103 ND 0103 Ball |
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COMM ND 0100 902100 6 80 1 2 1930 36 ALL UTILITY ND 0101 902101 10 00 2 2 1933 35 CC DC EC ND 0103 902103 6 25 1 2 1936 50 ALL PASS |