![Jas. Smith , London #109. The Microscope of Robley Dunglison, MD (1798-1869). c. 1845. "The Father of American Physiology" Jas. Smith , London #109. The Microscope of Robley Dunglison, MD (1798-1869). c. 1845. "The Father of American Physiology"](http://www.antique-microscopes.com/photos/James_smith-109.jpeg)
Jas. Smith , London #109. The Microscope of Robley Dunglison, MD (1798-1869). c. 1845. "The Father of American Physiology"
![Refracting telescope with 5.9-inch aperture lens, brass tube and English type equatorial mounting and clockwork drive | Science Museum Group Collection Refracting telescope with 5.9-inch aperture lens, brass tube and English type equatorial mounting and clockwork drive | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/58/267/medium_1929_0949.jpg)
Refracting telescope with 5.9-inch aperture lens, brass tube and English type equatorial mounting and clockwork drive | Science Museum Group Collection
![Refracting telescope with 5.9-inch aperture lens, brass tube and English type equatorial mounting and clockwork drive | Science Museum Group Collection Refracting telescope with 5.9-inch aperture lens, brass tube and English type equatorial mounting and clockwork drive | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/69/785/medium_B004052.jpg)