Old black and white photo of a machine with a pressure gauge attached…

Black and white photo of a dirt road with a gate in the middle

Black and white photo of a train car on the railway track

Black and white photo of a train yard with houses

Helicopter sitting on top of an airport tarmac surrounded by trees and…

Two women sitting on the grass in front of a wooden shed

Black and white photo of a train on the tracks

Black and white photo of a tunnel with two arches and a stone floor

Black and white photo of a group of men working on a wooden structure