1950s International Textbook Company Home Study Booklets-Transformers, Electrical Measurements, Watthour Meters and more

Set of 11 vintage home study booklets relating to electricity, transformers, and more. These were published by the International Textbook Company for the International Correspondence Schools of Scranton, PA. They are full of illustrations, charts, equations, diagrams and comprehension questions. Some booklet include fold-out pages for larger flow charts and diagrams. Set includes: Transformers- Part 1 edition 5 (1957), Part 2, edition 4 (1957) & Part 3, edition 3 (1955); Watthour Metering Practice Part 1 edition 1 (1956), Watthour Meters Part 2, edition 1 (1939), Part 3 edition 2 (1952); Practical Electrical Measurements, edition 2 (1951); Electrical Measuring Instruments Part 1, edition 1 (1948), Parts 2 edition 1 (1948), and Transformers Part 1 edition 2 (1950) and Part 2 edition 2 (1950). Vintage finds, please see photos. Some wear to covers as expected for age. May have notations from previous owners. Binding staples may show some rust but pages are held securely.