1. Trains: Mitchell was born in Elizabeth, New Jersey, in 1892, and came of age during a period when train travel was a common and convenient mode of transportation. He likely traveled by train extensively for business and personal purposes, both within the United States and internationally.
2. Automobiles: Mitchell's career in the entertainment industry took off in the 1920s and 1930s, a period when automobiles were becoming more widely accessible. He probably used cars for local transportation and road trips, as well as for traveling between movie sets and other professional engagements.
3. Ships: Given Mitchell's success in Hollywood, he may have also traveled by ship for international journeys, particularly to Europe or other continents for work-related projects or vacations. Ocean liners were a popular means of transatlantic travel during the early 20th century.
4. Airplanes: As air travel became more prevalent and accessible in the latter part of Mitchell's life, he likely started using airplanes for long-distance travel. Commercial airlines were expanding rapidly in the 1940s and beyond, making it a convenient option for travel between cities and countries.
Throughout his career, Mitchell would have likely adapted to the changing transportation landscape of his time, utilizing whatever means of transportation were available to him to travel for both professional and personal reasons.