Japaning ovens in Ford factory.

Dipping Vat and drying oven in Ford Factory.

Clary-Reel Oven, bread oven, closed.

Gas oven in Hollander's Baths.

Annealing oven in brass spinning works.

Sherry's. Pastry Ovens

Machinery in shoe factory

Machinery in shoe factory

Machinery in shoe factory

Machinery in shoe factory

[Workers in an unidentified factory.]

Bread oven for restaurant.

Machinery in shoe factory

[Factory.]

[Workers in an unidentified factory.]

Hotel Astor. Pastry Ovens

Demonstrator placing dehydrating machine in oven of gas range.

Adams Repair Co., annealing oven.

[Workers in an unidentified factory.]

[Interior, detail of oven furnace.]