- Seller Inventory #: 22171
- Format: Hardcover
- Book condition: Very Good
- Illustrator: 17 Illustrations and Diagrams
- Binding: Hardcover
- Publisher: David McKay
- Place: Philadelphia
- Keywords: Electricity, Electrical Theory, Telegraphy, Wireless Telephone, Wireless Communication, The Telephone, Electric Railroads, Electrical Pressure, Industrial Magnets, Electromagnets
Philadelphia: David McKay undated, but circa late teens, early 1920s; textblock very aged but clean, and some pages are tender at the gutter; the top edge of the textblock is moderately character-soiled; embossed, illustrated binding of brown cloth is moderately edge-worn, especially at the spine extremities; corners lightly worn and frayed; 161pp. . Embossed Cloth. Very Good. Illus. by 17 Illustrations and Diagrams. 12mo - over 6¾" 7¾" Tall. Hard Cover.