There is a large piece of machinery in a room. There are smaller parts lying to the left of the machine on the floor. There is a bottle sitting on a ledge on the wall beside the window in the background.

This is a view from the right side of the room, with large pieces of machinery in a line. On a beam on the ceiling there is a sign that reads, "Niles-Bement-Pond Co. Crane Department, Phila, PA, U.S.A.; Order No. 1147 June 1900; Capacity 6000 LBS." There are stairs with railings on the right side that lead to the lower level.

This is a view from the left side of the room, with large pieces of machinery in a line. On a beam on the ceiling there is a sign that reads, "Niles-Bement-Pond Co. Crane Department, Phila, PA, U.S.A.; Order No. 1147 June 1900; Capacity 6000 LBS." There are stairs with railings on the right side that lead to the lower level.

There is a mule team pulling a wagon that has a large rectangular piece of equipment on top of it.

There are about eight teams of mules pulling a wagon with equipment on top of it.

Large circular pieces of machinery (rotors) inside a room.

Teams of mules pulling wagons along a stony path; a wooden building is in the background on the left. At the head of the team there is a large pile of stones.

Teams of mules pulling wagons along a stony path; a wooden building is in the background on the left.

Teams of mules pulling wagons along a stony path. Two men are leaning on the tubular piece of equipment (penstock). There is a hill and telephone poles in the background.

Three men are sitting on top of a long, tubular piece of equipment (penstock), which is sitting on a wagon being pulled by a mule.