Images (2)

photomultiplier tube

Date: circa 1970

Inventory Number: 2006-1-0055c

Classification: Photomultiplier Tube

Subject:

astronomy, vacuum tubes,

Maker: International Telephone and Telegraph Corporation

User: Oak Ridge Station (1931 - 2005)

User: George R. Agassiz Station, Harvard (1951 - 1982)

User: Harvard College Observatory (founded 1839)

Cultural Region:

United States,

Place of Origin:

Fort Wayne,

Dimensions:

Overall - Storage: 12.2 x 44.4 x 38 cm (4 13/16 x 17 1/2 x 14 15/16 in.)

box: 15.8 x 5 x 5 cm (6 1/4 x 1 15/16 x 1 15/16 in.)

Material:

glass, plastic, metal,

Description:

One of six photomultiplier tubes stored in a custom wooden box with foam inserts. 20 connector pins, tube number FW118. Quite similar to 2006-1-0055d.

Signedon label: ITT ELECTRON TUBE DIVISION / 3700 East Pontiac Street, Fort Wayne, Indiana

InscribedTube etched: N - 3

Historical AttributesBrought back to CHSI on August 18, 2005 by Sara Schechner and Michael Kelley from Oak Ridge Observatory (Smithsonian Astrophysical Observatory), Harvard, Mass.

ProvenanceHarvard College Observatory, Oak Ridge Station; transfer to CHSI in 2005.