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|Page||Plate||Class||Object||R.A.||Dec||Start||Obs H.A.||Obs Dec||Stop||Exp||Date||Miscellaneous|
|42||16852||α Lyrae||12 12||6 21 E||+30.8||12 23||May 13 1907||x 16852 Isochromatic Plate. Spectra through piece of didgmin glass in contact with film.|
|42||16853||α Lyrae||12 31||12 54||May 13 1907||x 16853 Same as last. Changed load to 500 grams for a few minutes & then changed back.|
|42||16854||α Lyrae||13 09||13 21||May 13 1907||x 16854 Ordinary plate without screen.|