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| Interior of the Pratt & Whitney propulsion test lab, as seen on the previous page, prior to installation of instrumentation. |
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| Custom, multiple-sound-booth, industrial hearing test unit for R.J. Reynold's industrial hearing test program. |
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| Multiple sound booth towed trailer unit built for PSE&G (New Jersey Electric and Gas Utility). |
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| Interior PSE&G unit with IAC sound booth and waiting area. |
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| Industrial hearing test and evaluation towed trailer purchased by Con Edison of New York. Power is supplied through external plugs. |
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| Hearing test trailer purchased by the School District of Greenville County, South Carolina. Used throughout the County for a broad range of hearing test services. |
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| Custom semi-trailer purchased by Sertoma Clubs of Illinois. |
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| Included in the Sertoma Club's unit is a side-mounted wheel chair lift for handicap access. |
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| The Sertoma Club's unit is equipped with two large IAC sound booths for screening up to 8 people simultaneously. |
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| Sertoma sound test chamber for handicap use. |
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