The Packard Transformer Book

In lamp experiences, there has been a long felt need for a transformer with better regulation than has been obtained in the past, and, feeling certain that such a transformer would meet with a large sale, we have put on the market this instrument, after having satisfied ourselves of the excellence of the apparatus by tests made by the leading experts of the country.

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Table of Contents:

COVER

INTRODUCTION

TYPE OF PACKARD TRANSFORMER

REGULATION AND EFFICENCY OF TRANSFORMERS

INSULATION