Eveready 504E Hearing Aid "B" Battery
This
Eveready 15 volt Mini-Max hearing aid "B" battery was used mainly in
the larger 1-piece vacuum tube hearing aids in the late 1940s and early 1950s.
Pictures of both an earlier version and a later version are shown
here. Pictured at the right is the later version from the early 1950s.
It weighed 0.3 oz. (9 g), and measured 1 3/8" by 5/8" by 5/8"
(3.4 x 1.5 x 1.5 cm).
|
 |
Click picture for larger view |
| |
 
|
| |
|
|
Front view of the earlier version of the Eveready 504E battery from the
late 1940s.
|
 |
Click picture for larger view |
| |
|
|
Side view of the later version of the Eveready 504E battery showing the polarity arrow.
|
 |
Click picture for larger view |
| |
|
|
Top view of the later version of the Eveready 504E battery with red color-coding for the
positive terminal
|
 |
Click picture for larger view |
| |
|
|
Bottom view of the later version of the Eveready 504E battery with blue color-coding for
the negative terminal.
|
 |
Click picture for larger view |
| |
|
(If a larger picture doesn't appear, you may have to
turn your pop-up blocker off)
|
|
|
