[Workers in a Brooklyn Rapid Transit machinery shop.]
[Workers in a Brooklyn Rapid Transit machine shop.]
[Machinery in a Brooklyn Rapid Transit machine shop.]
[Workers in a Brooklyn Rapid Transit shop.]
[Man standing next to an early bulldozer in a Brooklyn Rapid Transit machinery shop.]
[Machine in a Brooklyn Rapid Transit machine shop.]
[Brooklyn Rapid Transit machine shop.]
[Brooklyn Rapid Transit shop.]
Brooklyn Rapid Transit.