[Self-Portrait with Newsboy]

Ten-Year-Old spinner in N. Carolina Cotton Mill

[Empire State Building (McClain Brothers)]

Worker Giving High-Signal to the Derrick Crew

Sadie Pfeifer, a Cotton Mill Spinner, Lancaster, South Carolina

Czech Grandmother, Ellis Island

Mechanic and Steam Pump

Family Making Flowers

Untitled (Workman)

Soldier Thrown in Air

Italian Immigrant

Italian Family Seeking Lost Baggage, Ellis Island

Power House Mechanic.

Man with Micrometer Measuring a Shaft to a Thousandth of an Inch.

[Empire State Building (McClain Brothers)]

Mechanic and Steam Pump

[Égout sous la rue de Châteaudun]

[Machinist]

The Heart of the Turbine

English War Work: Cutting and Turning a Big Gun

[Chambre du rue Saint-Denis]

[Égout sous la rue de Châteaudun]

[Machinery in Factory]

[Machine Steam Engine]