Donald F. Arnold, State University of New York at Albany faculty member in the School of Business, writing on a blackboard during a class. There are crop marks on all sides of the original. Written between two arrows in the top margin is "reduce to 29 pi" and in the left margin between two arrows is "reduce to 24 pi." Written in the bottom margin is "Photo M P.10 73% of original."
Donald F. Arnold, State University of New York at Albany faculty member in the School of Business, writing on a blackboard during a class. There are crop marks on all sides of the original. Written in the top margin is "Photo P P.22 73% of original." Written in the left margin between two arrows is "reduce to 24 pi." Written in the bottom margin between two arrows is "Reduce to 19 pi."
View of an instructor lecturing in front of a blackboard for a course at the State University of New York at Albany in the School of Business from the viewpoint of students seated in the classroom.
A picture of members from the New York State College for Teachers Alumni Association, 1919. They are using a blackboard and megaphones in an effort to urge people to attend a 1920 Jubilee Picnic, celebrating the 75th anniversary of the school's founding in 1844. The sign above the blackboard reads, "1911 Advertising Agency" and the writing on the blackboard reads, "HOW ABOUT A PICNIC JUBILEE WEEK?" The participants are in front of Draper Hall on the school's downtown campus.
A picture of an unidentified professor instructing a student at the blackboard in the Lecture Center. It appears to be a lesson in mathematics. There are crop marks and in the left and bottom margins are instructions to "reduce to 14 picas" (both between arrows). Also in the bottom margin is noted, "PHOTO M."
An unidentified faculty member explaining something on the blackboard to a student. There are crop marks and in the left margin is a note of "to 48 picas" (between arrows) and in the bottom margin a note of "to 29.5" (between arrows).
An unidentified faculty member explaining something on the blackboard to a student. There are crop marks on all sides of the photograph and in the bottom margin is written "3 1/4" reduce to 40%" and the number 21 enclosed in a circle.