Leather Binding on Spine and Corners with Golden leaf printing on spine. This book is printed in black & white, Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Reprinted in 2022 with the help of original edition published long back 1898. As this book is reprinted from a very old book, there could be some missing or flawed pages. If it is multi vo Resized as per current standards. We expect that you will understand our compulsion with such books. 200 Alternating currents of electricity and the theory of transformers. By Alfred Still. 1898 Alfred Still