Survey monitor type PW4012/01 by Philips
- maker:
- Philips Electronics
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LicenseSurvey monitor type PW4012/01 by Philips, serial no B21455
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Survey monitor type PW4012/01 by Philips, serial no B21455, date of manufacture 1965-1970, used by Health & Safety Executive; used by pointing sideways rather than at suspect source