In lieu of an abstract, below is the essay's first paragraph.
"D. P.: PROSSE ... the usual professor
DICTUM ... the usual student
PASSE ... the yesterday's idea About now
A classroom. PROSSE is in front of his class: DICTUM. PROSSE has been worrying because he has only one student. Shortly after class begins, PASSE enters, and helps PROSSE through the catastrophe."
Murphy, Dennis K.
"The Pit And The Pencil,"
The Angle: Vol. 1959:
1, Article 11.
Available at: https://fisherpub.sjf.edu/angle/vol1959/iss1/11