Does the superb bus of Ray Conklin, president of the New York Motorbus Company in 1915 have plastic windows? I guess cellophane dates to 1912, but that's prett

Does the superb bus of Ray Conklin, president of the New York Motorbus Company in 1915 have plastic windows? I guess cellophane dates to 1912, but that's pretty wild to see in a photo from 1915.