Flash spectra, photographed with an objective plane grating by S. A. Mitchell, Columbia University Observatory, New York City, Sumatra, eclipse expedition, 1901, May 18 Flash spectra
Glass diapositive in passe-partout frame [X14] of a drawing by Mr Wesley [plate 12] showing the solar corona as seen from Sumatra at the solar eclipse of May 18th, 1901. Glass diapositive of a drawing showing the solar corona at the eclipse seen from Sumatra