A possible summary is:
A fashion historian analyzes the costumes of Mary Poppins in the Disney movie and compares them to the historical styles of 1910. She explains the details of the undergarments, corsets, suits, dresses, hats, shoes and accessories that Mary Poppins would have worn in the Edwardian era. She points out the differences between the movie costumes and the historical ones, and how they reflect the aesthetics of the 1960s when the movie was made. She also shows what Mary Poppins would have looked like if she lived in history.
Here are the key facts extracted from the text:
1. The text is a transcript of a video that analyzes the historical accuracy of the costumes in Disney's Mary Poppins.
2. The video focuses on two outfits worn by Mary Poppins: the navy suit and the jolly holiday dress.
3. The navy suit is fairly accurate for the Edwardian period, with some deviations in the foundation layers, the fit of the blouse, and the shape of the hat.
4. The jolly holiday dress is more inspired by the 1950s new look silhouette, with a close-fitting bodice, a gathered skirt, and visible makeup.
5. The video compares the film costumes with historical images, illustrations, and articles to show the differences and similarities.