W. Dickinson College, Carlisle, Pa., spring 1875

[Holtz machine]

[Holtz machine]

[Holtz machine with vertical rod]

[Steam engine]

[1 1/4 bolt cutting machine]

9" shaping mach.

18" hoisting machine

Patent bolt and nut screwing machine

[Holtz machine emitting sparks, Dickinson College]

[Shelves holding scientific equipment, Dickinson College]

Group at Altoona

Group taken at W.H.W.'s residence in Altoona, Pa.

Nail factory, Duncannon, Pa., from the w.

Penna R.R. bridge across the Susquehanna from west side

Penna R.R. bridge across the Susquehanna River from the w.

Penna. R.R. depot., Harrisburg, Pa.

Philad. & Reading R.R. depot, Harrisburg, Pa.

Scene along railroad line

[Collection of scientific equipment at Dickinson College, including Dr. Joseph Priestly's burning lens and air gun and Professor Walter R. Johnson's rotascope]

[Holtz machine]

Plantation billiard room South Carolina

Southward from the university steeple. Troy N.Y.

[View of building and pond]

View across the Susquehanna from the east, south of Penna. R.R. bridge

View in Jack's narrows - looking N. from Jack's town

View in Jack's Narrows - looking east from watchman's house

View in Pack Saddle bend of Conemaugh River from Penna R.R.

View in Pack-Saddle looking e.

View of Penna. R.R. in the Pack Saddle of Conemaugh River