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Plate XX
TERMINATOR VIEWS
By Prof. W. H. Pickering
August 24, 1894
A series of unusually marked elevations and depressions upon the terminator at the above hours
Plate XX
TERMINATOR VIEWS
By Prof. W. H. Pickering
August 24, 1894
A series of unusually marked elevations and depressions upon the terminator at the above hours