ear trumpets

diaphragm #393

style diaphragm
brand Unknown
based in
trademark
made 1890
retailer Unknown
earpiece Vulcanite
body Vulcanite
horn Vulcanite
horn dia 97 mm
length 377 mm
weight 201 gm
size show size show size
grille None
marks none found
ring No
adjustable screws
condition ok
acquired 2016
seller type Dealer
found in Zwolle
country Netherlands
value show value show value
seller note screwable hearing trumpet in for parts for easy carrying, from about 1900. material is from brown lacquered Vulcanite
comment I have never seen one like this, so a must have ! Upon inspection it is a diaphragm earpiece.
shape flare
boxed no
gwrok yes
bay 5
details on the terms may be found here