Astronomy Yerkes Observatory Lantern Slides 11, Mizar Orion Andromeda Milky Way

Description

Astronomy Yerkes Observatory Magic Lantern Slides, 11 Slides isn 2 Eastman Lantern Slide Boxes, Stargazers, Antique
Set of 11 Yerkes Observatory astronomy magic lantern slides in 2 separate Eastman Lantern Slide Plates boxes.
11 interesting slides depicting the Binary star Mizar, spiral nebular of Andromeda, Milky Way, constellation Orion and Scorpio,  gaseous clouds, a dark object and more.  Stargazers, astronomers, scientists will enjoy this set.
Each slide has the credit Yerkes Observatory, 100 Representative Slides.  Slides date from the early 20th century and the Nova aquilar outburst dates to 1918.
Box 1:
1.  SS I9I - Spectroscopic Binary Mizar, showing lines when double and when single.  Period 20.5 days
2.  SC 28I - Nova aquilar, before and after outburst, photographed in 1905 and 1918.
3.  N 107 - The spiral nebula in Triangulum, Messier 33.
4.  N 101 - The great spiral nebula of Andromeda.  It is 930,000 light years distant
5.  MW 17 - Star-cloud in Scutum Sobieskii
6.  MW 52 - Milky Way north of Theta Ophiuchi
Box 2:
1.  SC 163 - The constellation Scorpio, extra-focal.
2.  SC 152 - The constellation Orion, extra-focal.
3.  SC 304 - Great glocular cluster in Hercules, Messier 13.
4. ?N 5 - The great gaseous clouds in Orion, showing adjacent nebula and stars.
5.  MW 6I - Dark object (No. 75 of Barnard's list) and nebula N.G.C.6992, similar in shape
Size:  3 1/4" x 4"
Condition:  appears to be very good, may need cleaning, no cracks