By Pippi Carty-Hornsby Preserving skills and knowledge in heritage machinery operations By Emily Rees Koerner Inventor, devoted daughter, or lover? Uncovering the life and work of Victorian naval engineer Henrietta Vansittart (1833–1883) By Anne Locker Editorial By Elizabeth Bruton The life and material culture of Hertha Marks Ayrton (1854-1923): suffragette, physicist, mathematician and inventor By Keith Harcourt and Roy Edwards Engineering and the family in business: Blanche Coules Thornycroft, naval architecture and engineering design By Becky Peacock Uncovering the secrets of Canadian Pacific By Alice White The history of women in engineering on Wikipedia By Ben Russell Watt’s workshop: craft and philosophy in the Science Museum