[Group of men in front of a 5th Avenue Line street car.]

[Group of men in a doorway.]

[Group of unidentified men.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit shop.]

[Men in a workshop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Machinery in a Brooklyn Rapid Transit machine shop.]

[Machine in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machinery shop.]

[Workers in a Brooklyn Rapid Transit machinery shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

[Workers in a Brooklyn Rapid Transit machine shop.]

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