Tracey

See Glaisher’s entry in the Oxford DNB. The story of Glaisher’s balloon flights is travestied in the 2019 film ‘The Aeronaut’, with his co-pilot Henry Tracey Coxwell being replaced by the fictional female character ‘Amelia Wren’. The object of the ascents, made on behalf of the British Association between 1862 and 1866, was to carry out scientific observations in such matters as the variation in temperature and humidity of the atmosphere at high elevations.

One page and two pages, both 8vo, bifolia, some staining but text clear and complete. In the first letter to which (as he explains in the second letter) he didn't add his name, he says that he visited "your Bovey Coal Pits" as a geologist (!), made observations and concluded that it was a "real Coal district, the current coal mined [an internet site informs me of poor quality] being of a "comparatively recent formation". Real coal was produced in an earlier period.