Pasadena. Cal Tech Solar Furnace
- UTA 1383-18-1-B1994-0002/002P.B35a
- File
- Sep. 1955-Jun. 1956
Part of Helen Sawyer Hogg fonds
Pasadena. Cal Tech Solar Furnace
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Flagstaff. View from Mars Hill
Part of Helen Sawyer Hogg fonds
Flagstaff. Lowell seeing towers
Part of Helen Sawyer Hogg fonds
Flagstaff. Lowell's tomb. Wreath & Slipher
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Flagstaff. U.S. Naval & Art Hoag
Part of Helen Sawyer Hogg fonds
Phoenix. NAO headquarters & Meinel
Part of Helen Sawyer Hogg fonds
Flagstaff. Meteor Crater parking
Part of Helen Sawyer Hogg fonds
Flagstaff. Meteor Crater from N rim
Part of Helen Sawyer Hogg fonds
Tucson. Domes of Steward & Carpenter
Part of Helen Sawyer Hogg fonds
Flagstaff. Meteor Crater & Hoag
Part of Helen Sawyer Hogg fonds
Flagstaff. Meteor Crater. Center from S rim
Part of Helen Sawyer Hogg fonds
Columbus. Ohio State. model of big array
Part of Helen Sawyer Hogg fonds
Columbus. Ohio State. roof - instrument
Part of Helen Sawyer Hogg fonds
Columbus. Ohio State. model roof
Part of Helen Sawyer Hogg fonds
Tucson. Campus at U of Arizona
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Columbus. Aller, Calder, Spitz
Part of Helen Sawyer Hogg fonds
Columbus. Kraus array. excellent
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Columbus. Heards. Beals at array
Part of Helen Sawyer Hogg fonds
Charlottesville. Bok and Morgan
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Charlottesville. Astronomers. Hickmann. etc.
Part of Helen Sawyer Hogg fonds
Charlottesville. Nassau & Edmondson
Part of Helen Sawyer Hogg fonds
Charlottesville. Luyten. Bok. spring colors
Part of Helen Sawyer Hogg fonds
Harvard. Waterman going to dedication
Part of Helen Sawyer Hogg fonds
Harvard. 60' telescope. light exposure
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Charlottesville. Obs with Oswalds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Washington National Academy of Science
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Philadelphia. Astronomers at University
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds
Philadelphia. Group at Flower and Cook Dedication
Part of Helen Sawyer Hogg fonds
Philadelphia. Astronomers in courtyard
Part of Helen Sawyer Hogg fonds
Philadelphia. Schwarzschild. etc.
Part of Helen Sawyer Hogg fonds
Part of Helen Sawyer Hogg fonds