ear trumpets

ear tube #84

style ear tube
brand Unknown
based in
trademark
made 1890
retailer Unknown
earpiece Solid silver
body Solid silver
horn Solid silver
horn dia 10x4 mm
length 20 mm
weight 3 gm
size show size show size
grille None
marks Sterling
ring No
adjustable No
condition Good
acquired 2012
seller type Individual
found in Escondido, CA
country USA
value show value show value
seller note Antique Sterling Silver Hearing Aid Invisible Ear Tubes Horns in Org Box
comment I have a US patent by Charles Fensky dated 1923 which describes this item. It seems the general term audiphone is applied to various ear tubes
shape weird
boxed yes
gwrok yes
bay 5
details on the terms may be found here