Faraday to John Knowles   1 February 1831

Royal Institution | Feb 1. 1831

Dear Sir

Have you any models of anchors in your Model room? If you have I know you will let me bring a friend to see them but could you also all them to be brought to the Institution on some evening for the illustration of a subject?

I am Dear Sir | Your Obliged Servant | M. Faraday

J. Knowles Esq | &c &c &c