east texas terry
Well-Known Member
- Joined
- Sep 19, 2019
- Messages
- 622
- Reaction score
- 1,350
- Points
- 93
The core is what i find the most
Probably used in a telephone.Terry's got it right -- eg Columbia Dry Cell Battery -- see....
I suppose the shiny black material is an insulating/sealing glassy / ceramic material, or something tarry? Copper in the center electrode, corroding green -- perhaps you will find the location of the other electrode under the adhering muck on the other side?Columbia Dry Cell Battery - Landmark - American Chemical Society
American Chemical Society: Chemistry for Life.www.acs.org
Pretty cool. 1 1/2 volts - I wonder what it might have powered back then -- might be interesting to better establish age --- that type top seems, on quick internet search, to date from as early as the 1890s.
View attachment 238578