{"product_id":"1940s-international-textbook-company-home-study-booklets","title":"1940s International Textbook Company Home Study Booklets on Electricity, Radio, Mechanics and More","description":"\u003cp\u003eSet of 13 vintage home study booklets relating to electricity, mechanics 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.\u003c\/p\u003e\n\u003cp\u003e Set includes:\u003c\/p\u003e\n\u003cp\u003eElectrostatics \u0026amp; Magnetism, edition 1(1943); Alternating-Currents Circuits, edition 1 (1942); Capacity \u0026amp; Inductance, edition 2 (1932), Elements of Mechanics, Parts 1 \u0026amp; 2, edition 1 (1943); Theory of Alternating Currents, edition 1 (1942); Elementary Electrical Principles, edition 1 (1949);  Characteristics of Direct-Current Machines, edition 1 (1941); Transformers, part 3, edition 2 (1949); Theory and Construction of Direct-Current Machines, edition 1 (1941); Introduction to Radio, edition 2 (1933); Alternators, edition 1, (1949); and Mensuration, edition 1 (1949).\u003c\/p\u003e\n\u003cp\u003eVintage 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. \u003c\/p\u003e","brand":"The Forge at Pleasant Valley Farm","offers":[{"title":"Default Title","offer_id":44458511007831,"sku":null,"price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0101\/6129\/1315\/files\/rn-image_picker_lib_temp_0454b914-1a0e-41db-b673-81102da72745.jpg?v=1791991430","url":"https:\/\/forgeatpleasantvalley.com\/products\/1940s-international-textbook-company-home-study-booklets","provider":"The Forge at Pleasant Valley Farm","version":"1.0","type":"link"}