Joseph Henry and the magnetic telegraph

Revision	When	Who	Comment

6	December 21, 2022	MARC Bot	import existing book
5	August 13, 2020	MARC Bot	remove fake subjects
4	May 5, 2010	EdwardBot	add Accessible book tag
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	February 5, 2010	WorkBot	add more information to works
1	December 9, 2009	WorkBot	add works page