Image ID: AAET

Haupt, United States Military Railway Department. Construction And Transportation. No. 71.

Haupt, Photographs Illustrative of Operations In Construction And Transportation, As Used To Facilitate The Movements Of The Armies Of The Rappahannock, Of Virginia, And Of The Potomac, Including Experiments Made To Determine The Most Practical and Expeditious Modes To Be Resorted To In The Construction, Destruction and Reconstruction Of Roads And Bridges. No. 71–Forty men, working in pairs, with the material place in front of them, (see No. 70) put together twenty frames in sixteen minutes. and several of the pairs finished in eight minutes. No. 71 represents the frame partly, and No. 72 entirely, finished.