Pieces of cloud chamber apparatus used by Carl Anderson in his discovery of the positron/mesotron, for which he won the Nobel Prize in physics in 1936.
ID number
ST-PH-11
Title
Small quartz spectrograph
Abstract
Mfg. Adam Hilger, Ltd.
ID number
ST-CH-05
Title
Electroscope, quartz fiber
Abstract
Patent no. 2022117, model 1, serial no. 404. Set up on a wood box, containing battery cell. This instrument was acquired and modified by Wilfred Mann (the accused “fifth man” of the Philby spy ring) when he was at Chalk River. Later it was used by Mann in the radiation dept. of the NBS. Designed by C.C. and T. Lauritsen. Mfg: Fred C. Hensen Co., Pasadena, CA.
ID number
ST-PH-36
Title
Geiger counters, small
Abstract
An assortment of Geiger counters used by Carl Anderson in his 7” cloud chamber.
ID number
ST-PH-30
Title
Geiger counter
Abstract
There is no information available for this item. Mfg: CIT Physics Shop.
ID number
ST-PH-29
Title
Galvanometer, DC moving coil, reflecting, type P
Abstract
Serial no. 208861. According to the Leeds and Northrup catalog ED 1936, this is a DC moving coil, reflecting galvanometer, type P. This design is for wall-mounting and could be used as part of a suggested laboratory lamp and scale device. Mfg: Leeds and Northrup Co., Philadelphia, PA.
ID number
ST-PH-27
Title
Galvanometer, DC, moving coil, reflecting type R
Abstract
According to Leeds and Northrup catalog ED 1936, this is a DC, moving coil, reflecting galvanometer, type R. Mfg: Leeds and Northrup Co., Philadelphia, PA.
ID number
ST-PH-16
Title
Telescope pattern, Palomar 200" (B)
Abstract
Wood pattern used to make the casting of the telescope's declination slip clutch. Mfg. by CIT.
ID number
ST-AS-03.2
Title
Telescope pattern, Palomar 200”
Abstract
Wood pattern for 200” telescope casting. Mfg. by CIT.
