Ear Trumpets, Tubes, Etc.
From the Sears Roebuck Catalogue of 1897:
EAR TRUMPETS, TUBES, ETC.
No. 69613. Ear Trumpet, bugle shape, made of japanned metal in three sizes, small, medium or large. Each….. $1.90
No. 69674. London Hearing Horn, nickel plated, size 2½ to 4 inches in length. They are for the use of those who are moderately deaf and are easily concealed in the hand when in use. Each….. $2.25
No. 69675. Conversation Tube of flexible mohair, 3 feet in length with rubber ends. This tube is suited to the most obstinate cases of deafness. Each….. $2.75