Coursey, Philip R. Electrical condensers: the construction, design and industrial us es. / Philip R. Coursey. - London: Pitman & Sons, 1927. - xxiv, 637 p. : ill.; 24 cm. Includes bibliographical references (p. 627-628. ) Subjects--Topical Terms: Capacitors. Dewey Class. No.: 621.315 COU