Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard college, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885: and measured and reduced at the Royal observatory, Greenwich, by Greenwich Royal Observatory

Title:	Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard college, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885: and measured and reduced at the Royal observatory, Greenwich
Author:	Royal Observatory, Greenwich
Note:	Printed for H.M. Stationery off., by Neill & co., limited, 1907

Link:	page images at HathiTrust
No stable link:	This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links.

Subject:	Sunspots
Other copies:	Look for editions of this book at your library, or elsewhere.