What is francis kerby?

Some articles on francis kerby, kerby:

William Fothergill Cooke - Life
... At the London University, there was a man by the name of Francis Kerby, who acted as assistant and curator of instruments to both Dr ... Francis Kerby had been widely published in the 1810s and 1820s pertinent to his discussions on theoretical chemistry ... Kerby, a son of Francis Kerby, had become a philosophical and mathematical instrument maker, or more simply, as Cooke often called Frederick Kerby, a "mechanician." By the time Kerby was 20 years of age, a "mechanician ...