Image / Measure ozone in smog density test

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Title: Measure ozone in smog density test
Alternative Title: Valley Times Photo Collection
Contributor: This project was supported in whole or in part by the U.S. Institute of Museum and Library Services under the provisions of the Library Services and Technology Act, administered in California by the State Librarian
Made accessible through a grant from the John Randolph Haynes and Dora Haynes Foundation and Photo Friends
Date Created and/or Issued: 1956
Contributing Institution: Los Angeles Public Library
Collection: Los Angeles Public Library Photo Collection
Rights Information: Images available for reproduction and use. Please see the Ordering & Use page at http://tessa.lapl.org/OrderingUse.html for additional information.
Description: Photograph caption dated August 23, 1956 reads, "Ozone count checked - Air Pollution Control District Inspector A. R. Carbone runs HagenSmitBradley rubber cracking test to measure amount of ozone concentration used to check density of smog. Air is drawn through glass tube and blows over piece of rubber. Length of time it takes for rubber to crack indicates amount of ozone."; See image #00115797 for additional photo in this series.
Type: Image
Format: 1 photographic print :b&w ;26 x 21 cm.
Photographic prints
Identifier: 00115796
Valley Times Collection
HCNVT_d017_f30_i19
CARL0005328014
http://173.196.26.125/cdm/ref/collection/photos/id/49863
Subject: Los Angeles County (Calif.).--Air Pollution Control District
Atmospheric ozone--Measurement
Smog--California--Burbank (Los Angeles County)
Men--California--Burbank (Los Angeles County)
Photoelectric measurements
Burbank (Los Angeles County, Calif.)
Valley Times Collection photographs

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