Degas owned a small printing press, and by day she worked at his studio using his tools and press, while in the evening making studies for the etching plate the next day.
Degas owned a small printing press. She worked at his studio, while in the evening making studies for the etching plate the next day. This was by day. She was using his tools and press, while in the evening making studies for the etching plate the next day. This was by day.