The draughtsman is possibly August Reuling.
An early design for the marble pavement of the Rotunda of Pierpont Morgan's Library, this annotated watercolor indicates the importance the central porphry disc played in the development of the floor. For a subsequent large-scale rendering of the near final floor plan see 1979.33:1.
With measurements and specifications.
Watermark: none.
Reuling, August, 1884-1966, draftsman.
Cain, Walker O., 1915-1993, former owner.
Ryskamp, Charles, ed. Nineteenth Report to the Fellows of the Pierpont Morgan Library, 1978-1980. New York : Pierpont Morgan Library, 1981, p. 203.