Lockyer, Norman, Sir, 1836-1920. Spectroscopic observations of the sun. No. II / by J. Norman Lockyer. Communicated by Dr. Sharpey ...

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Lockyer, Norman, Sir, 1836-1920.

Spectroscopic observations of the sun. No. II / by J. Norman Lockyer. Communicated by Dr. Sharpey ...

Solar eclipses.

Spectrum, solar.

Sun -- Observations.

Sharpey, William, 1802-1880.