Dar

المؤلفون: <a href='https://dar.bibalex.org/ar/Search/ExactResults.aspx?format_Id=1&author=Hay%2C%20Alfred'> Hay, Alfred
تاريخ النشر: 1905.
الناشرون: <a href='https://dar.bibalex.org/ar/Search/ExactResults.aspx?format_Id=1&publisher=Harper'> Harper
المساهمون: <a href='https://dar.bibalex.org/ar/Contributor/ContributorItems.aspx?contributor=Biodiversity%20Heritage%20Library&format_id=1'> Biodiversity Heritage Library
المجموعات: <a href='https://dar.bibalex.org/ar/Collection/CollectionItems.aspx?collection=Biodiversity%20Heritage%20Library&format_id=1'> Biodiversity Heritage Library
التصنيف: <a href='https://dar.bibalex.org/ar/Category/CategoryDetails.aspx?mainCat=Others&format_id=1'> Others

Alternating currents their theory, generation, and transformation.