R Institution | 20 Novr. 1849
My dear Sir
The best pieces of heavy glass are gone but I send you one of the remaining pieces & hope it will answer your purpose1[.] It contains some bubbles & I am not quite sure about the annealing. I will not however detain it for examination as I have not a better[.]
Ever Truly Yours | M. Faraday
Professor Forbes | &c &c &c
Please cite as “Faraday2233,” in Ɛpsilon: The Michael Faraday Collection accessed on 27 April 2024, https://epsilon.ac.uk/view/faraday/letters/Faraday2233