College teachers

Head and shoulders oval picture of Mary Fletcher Mackie wearing earrings, black choker, necklace, white lace collar and dark, button-down clothing.

Head and shoulders oval picture of Minerva Swayze wearing earrings, broach, white lace collar and button-down clothing.

Half-length picture of Mme. M. Spartan wearing a white headpiece, necklace, bracelets, and black dress with white collar and white-trimmed sleeves. She is standing, holding a flower and resting both hands on an urn.

Head and shoulders picture of Sanborn Tenney with mustache and beard. He is wearing a dark tie, white shirt and dark suit.

Head and shoulders picture of Sanborn Tenney with mustache and beard. He is wearing a black suit.

Half-length picture of Truman J. Backus with beard. He is wearing a black tie, white shirt and dark suit.

Half-length, oval picture of Truman J. Backus wearing a black tie, white shirt and dark suit.

Head and shoulders picture of Truman J. Backus with beard. He is wearing a black tie, white shirt and dark suit.

Professor Henry Van Ingen wearing a black hat and dark suit. He is seated, holding a book. Also shows two female students wearing hats and long dresses, standing in front of Vassar Lake and trees. A bridge crosses the lake.

Interior (the Meridian Room) of Observatory of Vassar College with telescopes, brick pillars, ladder, table, chair, clock and books on shelves. Also shows professor Mary W. Whitney (?) and students wearing long, dark dresses, some with hats. They are seated or standing around the telescope. One of

Interior of Observatory dome of Vassar College with an equatorial telescope and ladder. Also shows Maria Mitchell wearing a long, dark dress and shawl, seated on the left and Mary W. Whitney wearing a long, dark dress, leaning on a ladder on the right.

Observatory of Vassar College with path, lawn, trees and lamp post. Also shows Maria Mitchell, members of the classes of 1871-1874 using astronomical instruments and a boy seated on the steps. Woman halfway up the steps is Abby Farwell Ferry, VC 1872.

Professor Maria Mitchell and six female students wearing long, dark dresses. They are seated, standing or kneeling by two telescopes in front of the Vassar College Observatory. Part of a lamp post is on the left and a tree in leaf is on the right. Also shows tables, chairs and paths.

Professor Maria Mitchell with six female students wearing long dresses, seated on the interior steps of the Vassar College Observatory (the Parlor). A table, lamps, books, papers and area rug are in the foreground. A telescope and steps are seen through open double doors. Also shows furniture

Professor Maria Mitchell with six female students wearing long dresses, seated on the interior steps of the Vassar College Observatory (the Parlor). A table, lamps, books, papers and area rug are in the foreground. A telescope and steps are seen through open double doors. Also shows furniture

Expedition to Colorado to view the 1878 solar eclipse. Astronomy professor Maria Mitchell and students wearing hats and long dresses, seated by telescopes on a plain. Two men wearing hats, a tent, ladder and horse-drawn, canopied wagon are in the background.

Head and shoulders picture of William I. Knapp with mustache. He is wearing a white shirt and dark suit.