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  • Collections: Exhibit 2005--CHSI's Putnam Gallery  
  • Artist / Maker / Culture: General Radio Company  
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General Radio Company (3)
Psycho-Acoustic Laboratory, Harvard University (2)
Department of Physics, Bowdoin College (1)
Electro-Acoustic Laboratory, Harvard University (1)
Permoflux Corporation (1)
Stanley Smith Stevens (1)
Weston Electrical Instrument Corporation (1)

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Headphones (1)
Oscillator (1)
Sound Analyzer (1)

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Exhibit 2005--CHSI's Putnam Gallery (3)
radio (1)

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beat-frequency oscillator

beat-frequency oscillator

General Radio Company
circa 1935
GR type 760-A sound analyzer

GR type 760-A sound analyzer

General Radio Company
1946
headset with improved, doughnut-style, earphone socket

headset with improved, doughnut-style, earphone socket

Permoflux Corporation
circa 1942
/ 1

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_______________________________
Join Our Mailing List I Contact
_______________________________
The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
Cambridge, MA 02138 •chsi@fas.harvard.edu
p. 617-495-2779 •
f. 617-496-5794
_______________________________
The CHSI is one of the

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Exhibition Hours

The Putnam Gallery
(Science Center 136):
Monday through Friday, 11a.m. to 4p.m.


The Special Exhibitions Gallery
(Science Center 251):
Monday through Friday, 9a.m. to 5p.m.


The Foyer Gallery
Closed for Installation.

All galleries are closed on University Holidays.

Admission is free of charge.
Children must be escorted by an adult.

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