Japaning ovens in Ford factory.

Dipping Vat and drying oven in Ford Factory.

Clary-Reel Oven, bread oven, closed.

Annealing oven in brass spinning works.

Machinery in shoe factory

Machinery in shoe factory

Machinery in shoe factory

Machinery in shoe factory

Bread oven for restaurant.

[Factory.]

[Workers in an unidentified factory.]

Hotel Astor. Pastry Ovens

[Workers in an unidentified factory.]

Adams Repair Co., annealing oven.

[Interior, detail of oven furnace.]

Demonstrator placing dehydrating machine in oven of gas range.

Gas oven in Hollander's Baths.

Three large windows, taken in factory.

Three large windows, taken in factory.

Three large windows, taken in factory.