See, J.W. Extracts from Chordal's letters : "comprising the choicest selections from the series of articles entitled ""Extracts from Chordal's letters"", which have been appearing for the past two vears in the columns of the American machinist" / Chordal , with steel, portrait of the author , also, original illustrations by Chas. J. Taylor , preface by the author , new and bnlarged edition, with additional plates; J.W. See .— Ninth edition .— : Chapman & Hall Ltd., 1898 .— 378 с. — Lang: eng .— URL: https://rucont.ru/efd/93611 (дата обращения: 16.07.2024)