This microscope (serial number 53724) belonged to Dr. O.F. Parish, Grinnell College class of 1900. The purchase price was $60.00. With this microscope, He performed his own laboratory work, such as blood counts and urinalyses. Following graduation from medical school in 1903, he returned directly to Grinnell and practiced medicine here for 43 years. His son, Dr. John Parish, Grinnell College class of 1927, joined the practice in 1933. (Browse to te_194 to see his microscope) This microscope was donated to the Physics Museum by Dr. John Parish.