Page "Lunar Society of Birmingham" Paragraph 8

Boulton, Darwin and Whitehurst were in turn introduced by Michell to Benjamin Franklin when he travelled to Birmingham in July 1758 " to improve and increase Acquaintance among Persons of Influence ", and Franklin returned in 1760 to conduct experiments with Boulton on electricity and sound.

Although Michell seems to have withdrawn from the group when he moved to Leeds in 1767, Franklin was to remain a common link among many of the early members.