Photographic map of the normal solar spectrum made with the concave grating by prof. H.A. Rowland, Johns Hopkins University. 2nd series, 1888. (titre original)

Photographs of the Total Eclipse of the Sun, August 19th, 1887, taken at Yomeiji-yama, Echigo, Japan, by M. Sugiyama, the observer of the Tokio Observatory, under the direction of I. Arai, director of the Observatory ans the Chief of the Expedition (titre original)

Photograph of the Corona, taken by Prof. Henry Draper, M.D. during the total eclipse of July 29th 1878 (titre original)

Saturn, on the 15th of November 1852, from the drawings of W. S. Jacob, Esq. H.E.I.C. Astronomer, with the Madras Equatorial (titre original)

Transit of Mercury, November 5 1868 (titre original)

Saturn as seen with a newtonian equatorial of thirteen inches aperture, March 27th and 29th 1856 (titre original)

Photograph of the Nebula 405 Persei […]. Exposure 90 minutes, on the 14th Januay 1902 (titre original)

First Photograph of the Nebula in Orion, taken by Professor Henry Draper, M.D. ; September 30th, 1880, exposure 51 minutes (titre original)

Photograph of the Nebula in Orion, taken by Professor Henry Draper, M.D., March 11th, 1881. Exposure 104 minutes. (titre original)

Photograph of the Nebula in Orion, taken by Professor Henry Draper, M.D., March 14th, 1882. Exposure 137 minutes (titre original)

Finlay’s Comet. Photograph I, 1882 Oct. 19d 15h 45m. Exposure 30m, equivalent focus of lens about 11 inches (titre original)

Finlay’s Comet. Photograph II, 1882 Oct. 20d 15h 30m. Exposure 60m, equivalent focus of lens about 11 inches (titre original)

Spectre solaire (titre forgé), Discovery of Oxygen in the Sun by Photography, by Professor Henry Draper, M.D., 1876 (titre original)

Saturn as seen with a newtonian equatorial of thirteen inches aperture, March 27th and 29th 1856 (titre original) / [2 images]

Trail of meteor which passed through Andromeda 7-30 P. M., January 13, 1893. Photo. by John E. Lewis, Ansonia, Ct. Plate Cramer “Crown”. Harrison lens. (titre original)