Another word for recorder

Betsy pulled a small tape recorder from her purse.

In desperation, I turned on the tape recorder which had run to its end.

The recorder remained running.

He stowed his recorder and descended to street level in an elevator packed tightly with exiting employees.

In what is known as the " hybrid " form of recorder the permanent magnets are provided with windings of insulated copper wire; the object of these windings is to provide a means of " refreshing " the magnets by means of a strong current temporarily sent through the coils when required, as it has been found that, owing to magnetic leakage and other causes, the magnets tend to lose their power, especially in hot climates.