Deletion of Leyden ball

Comment: A Leyden jar is a real device that stores static electricity. The Leyden ball is a minor trivial element in a work of fiction. It''s not crucial to understanding the book. See 
Stance: delete
Cited policy: Wikipedia:Notability (WP:FICT)

Comment: to 20kLUtS per .  The novel is clearly notable and older, hence there's a reasonably good chance that non-Googlable sources comment on the concept.  Thus, merge, with no prejudice against splitting out if there's a source or two that mentions this specific device in a literary context
Stance: merge
Cited policy: Wikipedia:Notability (WP:NNC)