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Spencer Binocular Microscope
This microscope belonged to Dr. John Parish, Grinnell College class of 1927. The manufacturing date of 1930 is an estimate based on his dates at Harvard Medical
School.
Following graduation from medical school in 1933, he returned to Grinnell to join his father's medical practice. The Parish's medical practice in Grinnell lasted for more than 80 years.
(Browse to te_023 to see his father's microscope)
This microscope was donated to the Physics Museum by Dr. John Parish's daughters.
IBM Punch Card Fortran Code
Used by Charlie Duke for non-linear least-squares curve fitting during the 1960's. Fortran Program used at ISU computer.
