Age of machines :
Unstead, R.J.
Age of machines : A pictorial history 1815-1901 / by R.J. Unstead. - London : Macdonald Educational Limited, c1974. - 89 p.
0-356-04453-X
Age of machines : A pictorial history 1815-1901 / by R.J. Unstead. - London : Macdonald Educational Limited, c1974. - 89 p.
0-356-04453-X