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Exhaust smog devices, 1956

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Title	Exhaust smog devices, 1956
Description	3 images. Exhaust smog devices, 3 May 1956. Supervisor Roger Jessup; Dr. Leslie A. Chambers (new Air Pollution Control District Research Director); Richard Richards (state senator); Smith Griswold (smog boss); Exhaust smog devices.; Caption slip reads: "Photographer: Gray. Date: 1956-05-03. Reporter: White. Assignment: Exhaust smog devices. Special Instructions: (Note that devices have not been approved, Clayton excepted; Griswold says they are 'very promising'. 41-42: This device, explains Wallace Linville, APCD combustion engineer (chief), is typical of inventors' efforts to curb exhaust smog output -- it shots off fuel when car decelerates. Cost of this one not established, but estimates for five others of this kind are from $10 to $30. All devices under study -- none approved yet. 1-2: Smog Boss Smith Griswold exhibits cut-away of only exhaust device so far approved -- but it will work on only about 4000 buses, mostly for schools, in county. This $187.50 decice is an 'afterburner', that is, burns up unburned hydrocarbons on way out exhaust".; Other caption slip reads: "Photographer: Gray. Date: 1956-05-03. Reporter: White. Assignment: Exhaust smog devices. Special Instructions: (Do not leave impression any of these devices -- with Clayton exception -- has been approved; all are under test, but 'promising'. L to R, 81-82: Supervisors' Smog Committee head Roger W. Jessup; Dr. Leslie A. Chambers, new APCD research director, and State Sen. Richard Richards who introduced legislation to protect public from unauthorized exhaust smog devices. They discuss the 8 devices shown yesterday -- one of which, a carburator attachment, shuts of[f] gasoline when a car decelerates -- the time when most smog-forming hydrocarbons are emitted. This device is shown on table here, and is typical of kind most inventors are turning to in race to reach market with smog device exhaust control that will work".
Coverage date	1956-05-03
Photographer	Gray
Publisher (of the Digital Version)	University of Southern California. Libraries
Date created	1956-05-03
Type	images
Format (aacr2)	3 photographs : negatives, b&w ; 10 x 13 cm.
Format (aat)	negatives (photographic) photographs
Language	English
Sleeve Number	11822-019
Legacy Record ID	examiner-m13232
Part of subcollection	Los Angeles Examiner Negatives Collection, 1950-1961
Part of collection	Los Angeles Examiner Collection, 1920-1961
Rights	University of Southern California
Access Conditions	Contact: Special Collections, Doheny Memorial Library, Libraries, University of Southern California, Los Angeles, CA 90089-0189; specol@usc.edu; phone (213)821-2366; fax (213) 740-2343
Repository Name	USC Libraries Special Collections
Repository Address	Doheny Memorial Library, Los Angeles, CA 90089-0189
Repository Email	specol@usc.edu
Filename	EXM-N-11822-019~1; EXM-N-11822-019~2; EXM-N-11822-019~3

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Title	Page 1
Archival file	examiner_Volume57/EXM-N-11822-019~1.tiff

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Exhaust smog devices, 1956

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