Looking for a little cosmic time travel?

Here’s an original, unbound single issue of The Astrophysical Journal – Volume XXXI, Number 4, May 1910 – straight from the University of Chicago Press. Edited by the legendary George E. Hale and Edwin B. Frost themselves, this is pure early-20th-century astrophysics in its natural habitat.

Contents include:

Radiation and Absorption – W. J. Humphreys

The Absorption Spectrum of Sulphur Dioxide – Frances Lowater

The Absorption Spectra of Certain Salts in Aqueous and Non-Aqueous Solutions – Frank E. Ross

A Simple Criterion for the Detection of Anomalies in the Orbits of Spectroscopic Binaries – D. F. Comstock

Plus minor contributions, notes, and reviews

This is the real paper-wrapped deal, not a reprint. Cover shows honest 116-year-old character: age toning, staining, and surface wear (see photos). Interior pages are complete and fully readable. No library stamps or major tears noted, just the beautiful scars of a journal that actually lived through the era when spectroscopy was still sexy and new.

Perfect for the collector who wants something more interesting than another dusty textbook, the astronomy nerd who likes holding history, or anyone who just wants to flex a little 1910 scientific swagger on their shelf.

Ships carefully packed. Feel free to ask questions – I’m happy to send more photos or details.

Don’t just study the stars… own a little piece of the conversation that mapped them.