Item #514443 Note on the Polarization of the North Sky, by Harold D. Babcock & The Orbit of the Spectroscopic Binary Boss 2285, by Alfred H. Joy & Giorgio Abetti. Contributions from the Mount Wilson Solar Observatory, Number 171 & 172. MOUNT WILSON SOLAR OBSERVATORY.

Note on the Polarization of the North Sky, by Harold D. Babcock & The Orbit of the Spectroscopic Binary Boss 2285, by Alfred H. Joy & Giorgio Abetti. Contributions from the Mount Wilson Solar Observatory, Number 171 & 172.

Carnegie Institution of Washington, 1919. Card Covers. Very Good Condition. Item #514443

7 pages. Original card covers, stapled as issued. Small ink stamp to front cover. Clean throughout. Reprinted from the Astrophysical Journal. Size: 17 x 25.5 cms. Category: Varied Booklets;.

Keywords: BZDB395 Varied Booklets; MOUNT WILSON SOLAR OBSERVATORY Note on the Polarization of the North Sky, by Harold D. Babcock & The Orbit of the Spectroscopic Binary Boss 2285, by Alfred H. Joy & Giorgio Abetti. Contributions from the Mount Wilson

Price: £14.95

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