Book digitized by Google from the library of the University of Michigan and uploaded to the Internet Archive by user tpb.
Each paper has special t.-p
The second paper has imprint: Philadelphia, J. B. Lippincott & co
On establishing precision to the meaning of dynamical terms, and an exposition of the confusion which now besets the subject of dynamics. 1874.--On force of falling bodies and dynamics of matter, classified with precision to the meaning of dynamical terms. 1873.--Discussion on the subject of dynamics, and on the confusion of dynamical terms, read at the meeting of the Franklin institute, September, 1873. 1873