Dircks, H. (1861). Perpetuum Mobile; or, search for self-motive power during the 17th, 18th and 19 Centuries: Illustrated from various authentic sources, in papers, essays, letters, paragraphs and numerous patent specifications ; with an introductory essay. Spon.
Chicago-Zitierstil (17. Ausg.)Dircks, Henry. Perpetuum Mobile; or, Search for Self-motive Power During the 17th, 18th and 19 Centuries: Illustrated from Various Authentic Sources, in Papers, Essays, Letters, Paragraphs and Numerous Patent Specifications ; with an Introductory Essay. London: Spon, 1861.
MLA-Zitierstil (9. Ausg.)Dircks, Henry. Perpetuum Mobile; or, Search for Self-motive Power During the 17th, 18th and 19 Centuries: Illustrated from Various Authentic Sources, in Papers, Essays, Letters, Paragraphs and Numerous Patent Specifications ; with an Introductory Essay. Spon, 1861.