Faraday to Charles Richard Weld   16 February 1857

[Royal Institution embossed letterhead] | 16 Feby 1857

My dear Sir

Have the goodness to put up Dr. Herapaths¹ certificate² - the Old one - If any of the changes referred to in the enclosed³ are proper make them - but at all events put up the certificate[.]

Ever Truly Yours | M. Faraday

C.R. Weld Esqr | &c &c &c