To Thomas Archer Hirst   Thursday

Ovr Darwen1 Thursday2

My Dear Boys

I’m at last in the North3 – Some day next week I shall peep into Halifax possibly I may accept Tom’s4 kind invitation cannot say just yet. I shall remain here until monday or tuesday, then proceed to Manchester, thence to Halifax, thence to Leeds – thence to London – thence to Rotterdam thence up the Rhine to Frankfort,5 thence to Marbourg6 in Hesse Cassel7 where I purpose becoming stationary – Just drop me a line by return directed to the Post Office Preston –

as usual yours | J. Tyndall.

RI MS JT/1/HTYP/11

RI MS JT/1/T/971

Ovr Darwen: Over Darwen, a town in Lancashire.

Thursday: Louisa Tyndall annotation: ‘postmark on back is Oct. 5/48’.

in the North: according to Tyndall’s journal entries from 5 and 6 October 1848, he was visiting Lancashire (RI MS JT/2/13b/388).

Tom’s: Thomas Archer Hirst.

Frankfort: a common nineteenth-century spelling of Frankfurt.

Marbourg: in October 1848 Tyndall began studying for a doctoral degree at the University of Marburg. See Introduction.

Hesse Cassel: also spelled Hesse-Kassel. A German electorate that bordered on the Netherlands.

Please cite as “Tyndall0361,” in Ɛpsilon: The John Tyndall Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/tyndall/letters/Tyndall0361