From invaluable.com/auction-lot/four-lucile-studio-sketches,-circa-1915-6,-65b-c-8eb9eaae75. Also posted to the Designed by Lucile Albumette here.
The top of the wide sheer over-skirt flares out over the a wide lower part like the top of a wheel farthingale.
Keywords: 1915, Lucy Duff Gordon as designer, Lucy Duff Gordon, Lucile, Lucy Sutherland, Lady Duff Gordon, ferroniere, fitted bodice, strap sleeves, arm bands, bows, sweetheart décolletage, darts, shovel waistline, chemise, modesty piece, sweetheart neckline, midi-length sheer full over-skirt, midi-length tight under-skirt, shoes