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- 23:27, 2 January 2020 diff hist -4 m Lead acid battery construction make spacing more consistent (i hope) current Tag: Visual edit
- 23:25, 2 January 2020 diff hist +751 Lead acid battery construction Added links to relevant historic books, publications and patents. Useful for research and improvements of the construction. Tag: Visual edit
- 22:41, 2 January 2020 diff hist -23 m Lead acid battery Updated dead link. Same information is in a different document. current Tag: Visual edit