"Flint-Glass Manufactory." — Encyclopedia Britannica, 1893

Glass Manufactory

"Flint-Glass Manufactory." — Encyclopedia Britannica, 1893

"Interior of a crown-glass house." — Encyclopedia Britannica, 1893

Glass Manufactory

"Interior of a crown-glass house." — Encyclopedia Britannica, 1893

Steel mill where metal is rolled into sheets and bars

Rolling Mill

Steel mill where metal is rolled into sheets and bars