Revision of transformer standards suggested

A revision of Section 13, A. I. E. E. Standards for Transformers, Induction Regulators and Reactors has been proposed by the A. I. E. E. Technical Committee on Electrical Machinery. The revision suggested is a development of those outlined in the May 1927 JOURNAL. The text of the revision is quoted herewith. Any suggestions or criticisms relative to these revisions should be addressed to H. E. Farrer, Secretary, A. I. E. E. Standards Committee. Copies of the current No. 13 may be obtained at a cost of 40 cents (50% discount to members A. I. E. E.)