Add Wish List Add to Cart The item has been added Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College Arthur Searle Oli... Charles Pickering This book presents the results of photometric measurements of the variable stars B Persei and DM 810 25 made at the Harvard College Observatory in the early 20th century. The authors describe the... RRP: $35.14 Add to Cart The item has been added
Add Wish List Add to Cart The item has been added Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College Arthur Searle Oli... Charles Pickering This book presents the results of photometric measurements of the variable stars B Persei and DM 810 25 made at the Harvard College Observatory in the early 20th century. The authors describe the... RRP: $49.92 Add to Cart The item has been added