Mucking Operations at B.B.T. #6, Mason & Hanger, New York City, 1942 safety negative Rosenfeld and Sons 1942-09-03 1984.187.57639 ViewLooking at Front End of Drill Carriage, B.B.T. #6, Mason & Hanger, New York City, 1942 safety negative Rosenfeld and Sons 1942-09-03 1984.187.57640 View
