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