File:Whelen19883.jpeg: Revision history

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11 April 2019

  • curprev 16:4416:44, 11 April 2019Valtonus talk contribs 183 bytes +183 Several pages of a 1988 Whelen Systems brochure, showcasing the WPS-2000, WPS-2700, and WPS-3000 series sirens. Note that there is no mention of a single row 2000 model.