From the Rittenhouse Astronomical Society Archives
A collection of images of the Rittenhouse Astronomical Society,
from 1891 - 2021.

Augustus Depuy, two others, and Charles H. Brightly, Philadelphia, PA. 1891.

Mr. D. Robert Yarnall and his 10” reflector telescope in Chestnut Hill, PA. 1938.

Dr. Milt Friedman, Astronomy Fair, Franklin Hall. 1981

Ted Williams, Philadelphia, PA. 2019.
Dr. Milt Friedman (left) and Harrison Schmitt of Apollo 17 and one of the last astronauts to step foot on the Moon.
Dr. Milt Friedman | Astronomy Fair, Franklin Hall, 1981
Derrick Pitts, Milt Friedman, and others.
[unknown]
Milt Friedman and Alexander Wolszczan, the first person to discover and extrasolar planet.
Derrick Pitts in Franklin Hall.
Colleagues in Franklin Hall.
Colleagues and guests in Franklin Hall.
Milt Friedman, Carolyn and Eugene Shoemaker.
Sally Ride, first American female astronaut in space. 1985.
David Rittenhouse's 250th Birthday. 1982.
Derrick Pitts, Chief Astronomer of the Franklin Institute.
Mr. and Ms. Barringer, Dr. Friedman.
Milt Freidman, Joy Crist, Val Gonzales.
Alan Daroff with his self-designed gear.
Alan Daroff solar observing with his self designed gear.
Milt Rosenthal (past officers and telescope builders of RAS).
Milt Rosenthal and the continual upgrade of his telescope.
RAS President Milton Friedman observes the transit of Venus, Derrick Pitts in background. 2004.
Derrick Pitts, interviewed about the transit of Venus at the Franklin Institute. 2004.
Carolyn and Eugene Shoemaker in the Bloom Observatory with RAS members.
Carolyn and Eugene Shoemaker in the Bloom Observatory.
Clyde Tombaugh receives the Rittenhouse Medal from RAS President Milton Friedman in Philadelphia. 1991.
Dr. Howard McClenahan, Secretary of The Franklin Institute and Director of the Museum, Samuel Fels, Dr. James Stokley, the Institute's Associate Director for Astronomy, admire the Zeiss Mark II planetarium instrument in the Fels Planetarium. 1933.
During his 14-year search for planets beyond Neptune, Clyde Tombaugh photographed 70% of the night sky and blinked 90,000 square degrees of star fields. Some plates had more than a million star images each. The search areas are plotted on his copy of Norton's Star Atlas. 1991.
Augustus Depuy, two others, and Charles H. Brightly, Philadelphia, PA. 1891.
Rev. Charles Bowden and his 4” Fitz Telescope at his home in Camden, NJ. 1889.
Sir Harold Spencer Jones, Astronomer Royal (center), receiving the Rittenhouse Medal from RAS President C.M. Billings (left) with S.W. Rolph, president of the Franklin Institute (right). 1955.
Dr. Fred Hoyle (right) receiving the Rittenhouse Medal from President James Conklin. 1960.