These items are electronic power transformers used for voltage conversion in electrical circuits. They are vintage electrical components featuring laminated metal cores and copper windings. The top transformer is labeled with part number L07-2818-15 and M 0022. The bottom transformer is labeled as part number 1-429-438-11, manufactured by TAM Malaysia with code M 9612. Such transformers are typically found in audio equipment or power supplies to adjust voltage levels.
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