CATALOGUE OF 187 NEW DOUBLE STARS Discovered with the 18.5 inch Refractor of the Dearborn Observatory of Northwestern University and MEASURES OF 152 DOUBLE STARS.

Evanston, IL: Northwestern University, 1925. First Edition. Paperback. Quarto (4to). Near fine condition. Item #016177

An offprint publication of pages [282]-334 of the Annals of Dearborn Observatory Northwestern University Vol. II. No date of publication listed; circa 1925. Brown paper wrappes with minimal shelfwear. The text is clean and unmarked.

Price: $25.00

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