Ricola ad instrument

• Instrument from a record hidden at either end?
• Swiss mountaineers’ instrument

Wiktionary Word definitions in Wiktionary
n. (context musical instruments English) A long, curved, wooden horn used by mountain-dwelling herders in the Alps, originally to call cattle but now only as musical instrument in classical and folk music tunes.

Wikipedia Word definitions in Wikipedia
The alphorn or alpenhorn or alpine horn is a labrophone , consisting of a wooden natural horn of conical bore , having a wooden cup-shaped mouthpiece , used by mountain dwellers in Switzerland and elsewhere. Similar wooden horns were used for communication ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Alpenhorn \Al"pen*horn`\, Alphorn \Alp"horn`\, n. [G. Alpenhorn.] A curved wooden horn about three feet long, with a cupped mouthpiece and a bell, used by the Swiss to sound the ranz des vaches and other melodies. Its notes are open harmonics of the tube. ...