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Magnesium Hydride in Sun Spot

1911

Astronomical spectra

1900

Eleven original negatives of spectra

Comet Moorhouse

1905-1911

Glass diapositive in passe-partout frame [X31] of the solar chromosphere [3

1926
Two boxes of Huggins's original photos of Corona, spectra oc

Two boxes of Huggins's original photos of Corona

Photograph showing Titanum Oxide spectrum, compared with the banded Spectrum of the Third type stars, as represented by Omicron Ceti in glazed frame. I. Spectrum Omicron Ceti ( Slipher), II. Spectrum of TI Oxide (Fowler).

Photograph showing Titanum Oxide spectrum

1911
Photograph of spectra of Scandium: I Arc flame & Fe, II Arc, III Arc, IV Arc in hydrogen, V Arc in air showing flutings in oxide, VI Arc in hydrogen, showing absence of the oxide flutings

Photograph of spectra of Scandium: I Arc flame & Fe

1911
Three small boxes of glass negatives (Huggins' originals)

Three small boxes of glass negatives

Photographs (5) of the spectrum of magnesium hydride, 1 taken with small Littron spectrograph, 2 to 5 general map of magnesium hydride from 5622 to 4600.

Five photographs of the spectrum of magnesium hydride

1911
Glass diapositive in passe-partout frame of the solar chromosphere [ultra violet wave lengths] also known as the flash spectrum taken at Benkoelin in Sumatra on January 14th, 1926. The photograph is a copy made by the Science Museum from originals supplied by the Royal Observatory, Greenwich.

Glass diapositive in passe-partout frame of the solar chromosphere [ultra violet wave lengths]

1926
Glass diapositive in passe-partout frame of the solar chromosphere [ultra violet wave lengths] also known as the flash spectrum taken at Benkoelin in Sumatra on January 14th, 1926. The photograph is a copy made by the Science Museum from originals supplied by the Royal Observatory, Greenwich.

Glass diapositive in passe-partout frame of the solar chromosphere [ultra violet wave lengths]

1926
Glass diapositive in passe-partout frame [X30] of the solar chromosphere [3,900-5,000 Angstrom] also known as the flash spectrum taken at Benkoelin in Sumatra on January 14th, 1926. The photograph is a copy made by the Science Museum from originals supplied by the Royal Observatory, Greenwich.

Glass diapositive in passe-partout frame [X30] of the solar chromosphere [3

1926
Photograph of Fraunhofer's map of the Solar spectrum, from Deutschriften der Munchera Akademic, vol 5, 7ab II 1 and 14-15

Photograph of Fraunhofer's map of the Solar spectrum

1915
Oil on canvas, painting of the Solar Spectrum / C M Simpson, 4'6 1/4"x4 3/8". In preparing this representation of the visible portion of the Solar Spectrum, Miss Simpson used the solar spectroscope at the Observatory of William Alfred Parr (1865-1936), FRAS at St Albans. The colours are rendered as faithfully as possible, and the position of the Fraunhofer absorption lines are indicated. Parr used a 4-inch Cooke equatorial to which was attached a 2-prism Evershed spectroscope made for him by Adam Hilger, Ltd in his Observatory, 1926-1936.

Solar Spectrum

circa 1931