Watercolor, black ink, graphite, and scratching out on paper mounted on card
Overall: 8 5/8 x 13 7/8 in. ( 21.9 x 35.2 cm )
signed: lower right, "Henry Hart/Architect & Engineer/168 Duane St./N.Y.
inscription: bottom center, on mount: "Perspective Sketch of Small Pox Hospital/Blackwell's Island.
Signed and inscribed at lower right outside image in brown ink: "Henry Hart / Architect & Engineer / 168 Duane Street N.Y."; at lower center outside image in black ink: "Perspective Sketch of Small Pox Hospital: / Blackwell's Island.
Due to ongoing research, information about this object is subject to change.