Voluntary Muscular work recorded and Measured

The student is fatiguing the muscles of his left hand ... (source: Physiology at Michigan, 1850-1923 by Horace W. Davenport)

Rock work for the wading pool at Columbus Park; Chicago, Illinois

Orange, green, red, black pencil on tracing papter. Location, type of plantings; notes. Unsigned. 58 cm. x 84 cm. Scale: 1"=20' [from photographic copy by Lance Burgharrdt]

Plan showing rock work and earth fill. The garden. Estate of Mr. Edsel B. Ford .... sheet No. 1

Ink and pencil on linen. Plan and several section elevations. At lower right: number 4 in pencil. Unsigned [from photographic copy by Lance Burgharrdt]

Work Horse

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Plan of facine work for bluff. Grounds of Mr. John H. Hardin. Hubbard Woods, Illinois.

Ink on linen. Signed. 106 cm. x 64 cm. Scale: 1"=10' [from photographic copy by Lance Burgharrdt]

Party of workmen at work at rear of the temple [Excavation at Antioch of Pisidia in Turkey]

George R. Swain photograph no.1550 Near East Research