[18 February 1857]: letter dated based on relationship to 1336 and 1337, and that 18 February 1857 fell on a Wednesday.
I am rejoiced to be able to say Y E S!: Walter Pollock had invited Tyndall to attend his seventh birthday party on 21 February. See letter 1336.
Walter: Walter Pollock, the birthday boy.
Please cite as “Tyndall1339,” in Ɛpsilon: The John Tyndall Collection accessed on