hearing aid
ear trumpet

I couldn't see myself using an ear trumpet, so I learned to lip-read.

He left and I placed it on the ancient machine, upon which an ear trumpet would have been appropriate.

He was deaf for much of his life, using an ear trumpet before battery-operated hearing aids became available.

The book gives the earliest known description of the operation of an ear trumpet.

As she drinks a glass, he holds her ear trumpet and thus, she does not hear the alarm going off.

Until now I would have heard more sitting below the balcony with an ear trumpet.

If you had asked for an ear trumpet, I would have provided one.

In 1808 he invented an improved ear trumpet, and a musical chronometer.

It functions similarly to an ear trumpet by amplifying sound.

Nor, for that matter, an ear trumpet to hear.