1857 April 21
My dear Sir
If I do not hear from you to the contrary, I will wait on you1 on Tuesday the 28th, about 10 to 10 ½ A.M.
I am, my dear Sir, | Yours very truly | G B Airy
Professor Tyndall
RGO MS.RGO 6/471.164
I will wait on you: see letter 1379.
Please cite as “Tyndall1380,” in Ɛpsilon: The John Tyndall Collection accessed on