- Unknown Artist
- Hydraulic Tunnel to Utilize the Falls of Niagara for Industrial Purposes, 1890
- wood engraving
- 16 x 10.875 in (40.64 x 27.62 cm)
- Inv: CAM2006.001.351
- Attribution: Generous Donation from Dr. Charles Rand Penney, partially funded by the Castellani Purchase Fund, with additional funding from Mr. and Mrs. Thomas A. Lytle, 2006
- Collections: Niagara Falls Art