Columbia subject headings:
Harvard subject headings:
Engineers--France.
Flachat, E.
Flachat, Eugène, 1802-1873.
Locomotives--France--History.
Mechanical engineers--France--Biography.
Public works--France.
Princeton subject headings:
Flachat, Eugène, 1802-1873.
Locomotives--France--History.
Mechanical engineers--France--Biography.