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Wall Interthrough
Switch Set Tartu Telefoni Vabrik A/S (Estonia, ~1920) |
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Lever keys: Connection (left) Extension./Exchange
(right)
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Detail: Exch. bell, AC-style; manufacturer's plate
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| Case opened: clamp-board, induction coil,
condenser, magneto The "temporary wiring" was connecting magneto and AC-bell for demonstration purposes and will be removed. |
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| Opened: door with bell drive, switches and dial. |