Robuta

https://wellcomecollection.org/works/h94eun3e/images?id=c5vszmq6

A collapsible Victorian ear trumpet made of tin made by Atkinson, Union Court, Holborn, London |...

ear trumpet collapsible victorian made tin

https://www.thestudentroom.co.uk/showthread.php?t=40899

'my ear trumpet has been struck by lightning' - The Student Room

ear trumpet struck lightning student