Hilda Lyon, First World War, industry, Women’s Engineering Society, Verena Holmes, Margaret Partridge, engineering, Beatrice Shilling, women in STEM, propellor, and Claudia Parsons

Hilda Lyon, women in STEM, Henrietta Vansittart, innovation, aviation, nineteenth century, Verena Holmes, Sarah Guppy, twentieth century, Hertha Ayrton, engineering, Constance Tipper, propeller, Beatrice Shilling, industry, and Gertrude Entwisle