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(1 - 12 of 12)

Title: Howard Lucas
Format: photograph: negative
Series: Academic Divisions

Title: Sterling and Mary Emerson
Format: photograph: print
Series: Academic Divisions

Title: Students in mechanical engineering lab
Format: photograph: negative
Series: Academic Divisions

Title: Sterling and Mary Emerson
Format: photograph: print
Series: Academic Divisions

Title: Fritz Zwicky at the 18″ Schmidt telescope at Palomar Observatory
Format: photograph: negative
Series: History of Science
Description: Edison R. Hoge Photograph Collection.

Title: Very early JPL buildings
Format: photograph: negative
Series: Administration
Description: Jet Propulsion Laboratory.

Title: Sterling and Mary Emerson
Format: photograph: print
Series: Academic Divisions

Title: Russell Porter and John Anderson at Palomar
Format: photograph: print
Series: Academic Divisions

Title: pH meter, Model G
Format: photograph: negative
Description: Serial no. 3443. Mfg. by National Technical Laboratories.

Title: Traveling wave tube
Format: photograph: negative
Description: This item is a long, thin glass tube with a larger cylindrical end. The thin part contains what looks like a coiled spring. The spring is attached to a copper base and some wires in the thicker end. Original wrapping labeled by Mendenhall: “Traveling wave tube/J.R. Pierce ’33/R. Kompner.”

Title: Ion chamber
Format: photograph: negative
Description: Instruments like this used in India (1936 and 1940), Canada (1937), and the US (1936-38, 1940, 1946). This one, No. 14, used to correlate measurements made in the 1930s with those made in 1950s and 1960s with the pulsar-type chamber. Mfg. CIT Physics Shop.

Title: pH meter, Model M
Format: photograph: negative
Description: Serial no. 5785. Mfg. by National Technical Laboratories.