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(1 - 20 of 27)
Linus Pauling with model and sample of beryl silicate
Title
Linus Pauling with model and sample of beryl silicate
Format
photograph: negative
Series
Individuals
Clark Millikan
Title
Clark Millikan
Format
photograph: negative
John Todd, formal portrait
Title
John Todd, formal portrait
Format
photograph: print
Robert A. Millikan and Niels Bohr
Title
Robert A. Millikan and Niels Bohr
Format
photograph: print
Series
Individuals
Description
Photo was taken at the Athenaeum. Person in the middle is unidentified.
Aerial view of the campus
Title
Aerial view of the campus
Format
photograph: print
Series
Campus and Student Life
Description
Campus Aerial Views.
Theodore von Karman
Title
Theodore von Karman
Format
photograph: print
Navy class at Caltech
Title
Navy class at Caltech
Format
photograph: print
Lt. Col. Goldsworthy
Title
Lt. Col. Goldsworthy
Format
photograph: print
Series
Administration
Description
Master Student Houses. Administration.
Morris Dam reservoir, San Gabriel Mountains.
Title
Morris Dam reservoir, San Gabriel Mountains.
Format
photograph: negative
Description
During WWII, rockets and torpedoes were tested here by Caltech scientists. Carl Anderson Papers.
Paul MacCready as boy
Title
Paul MacCready as boy
Format
photograph: print
Description
By the age of 15, Paul MacCready was already winning laurels in gas-powered model airplane competitions. In this photo he poses with his model “Topper”, circa 1940, which won trophies in two classes by swapping out two different sized engines on the same plane.
JPL or Aerojet group
Title
JPL or Aerojet group
Format
photograph: negative
Security stopwatch
Title
Security stopwatch
Format
photograph: print
Description
One jewel analog Swiss security stopwatch.
Magnetic relay for electronic switching
Title
Magnetic relay for electronic switching
Format
photograph: negative
Description
Developed in the 1940s or 1950s for Bell System automatic switching, by R.M. Bozorth (CIT 1922). Mfg. Bell Labs.
Potentiometer, type K-2
Title
Potentiometer, type K-2
Format
photograph: negative
Description
Serial no. 279092. Appears to be Leeds and Northrup model K-2, with some modification to the dials on the right side. See L&N catalog E-50B(3), 1940. Mfg: Leeds and Northrup, Philadelphia, PA.
Aviation altimeter
Title
Aviation altimeter
Format
photograph: print
Description
Kollsman war surplus aviation altimeter.
Army air force bubble sextant
Title
Army air force bubble sextant
Format
photograph: print
Description
Battery operated, night reading, cylinder recording, bubble sextant for measuring latitude.
Tower drafting set
Title
Tower drafting set
Format
photograph: print
Description
Comprised of dividers and compasses. Manufactured in Germany.
Keuffel and Esser Le Roy lettering set
Title
Keuffel and Esser Le Roy lettering set
Format
photograph: print
Description
Used for drafting. Housed in wooden box.
Wrico lettering set
Title
Wrico lettering set
Format
photograph: print
Description
Used for drafting. Housed in bakelite box.
Spectrophotometer, quartz
Title
Spectrophotometer, quartz
Format
photograph: negative
Description
Serial D-282. Phototube housing and lamp housing directly attached to main unit. Attached by cord is undistinguished light gray metal box (power supply regulator?) Mfg. National Technical Laboratories, South Pasadena, CA.