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Sangamo Weston Model 12 Test Meter
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Sangamo s29 three phase electricity meter
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Old Sangamo 80A electricity meter
Sangamo
Sangamo S29 three phase electricity meter
Sangamo S29 three phase electricity meter
Sangamo Electric meter chronology | SangamonLink
Sangamo S29 three phase electricity meter
Sangamo Weston Model 12 Test Meter