This collection contains textual records created by William Threlfall that pertain to primarily diseases, virology, and parasitology of birds and waterfowl. The collection contains thesis, notes, and published articles.
File contains an article published in the Canadian Journal of Physics (vol.31, 1953) by E.W. Guptill titled "The Sound Field of a Piston Source;" an article published in The Physics Teacher (vol.15, no 4, 1977) by G. Stroink, E. Guptill, and R. March titled "The straight-line kinematics of a student, a fun demonstration;" and an article by E.W. Guptill, G. Stroink, and R.H. March titled "A lecture demonstration of linear motion using the airtrack."
This file contains 4 textual records, which consists of a research article, along with accompanying work which include newspaper article, research table, and a correspondence. These records were written by Dr, Melville Cumming in 1924.