[Royal Institution embossed letterhead] | 5 Octr / 63
My dear Sir
Herewith I send you that which I referred to this Morning.
Ever Truly Yours | M. Faraday
Mr Barrett
Please cite as “Faraday4369,” in Ɛpsilon: The Michael Faraday Collection accessed on 28 April 2024, https://epsilon.ac.uk/view/faraday/letters/Faraday4369