"A quick look at LMS Engine Sheds, it says 1903 practically all Oxford branch work was Lady of the Lake 2-2-2 class nos 1429 Alfred Paget and 1433 Daphne. Others were seen too. One Bletchley link to Oxford for a 5'6" 2-4-2 tank.
Oxford to Cambridge books, by Bill Simpson as follows
Seen at Oxford 1914 Precursor number 413
Undated but LNW days - Precedent 1170 General at Oxford
Railmotor No 3 at Bicester 1905
1911 Double-headed Precedent engines on an Oxford train at Bletchley
Railmotor at Woburn 1908
Precedent early 1900s at Woburn
LNWR period 18" Goods at Sandy
LNWR period Precursor at Old North ROad
Cambridge shed 1913 Waterloo class 2-4-0 John O'Groat
Cambridge shed 1905 2-4-2 tank 1165
Now going round the membership of the Biggleswade group and the Sandy Transport Society!
"I’m not an expert on LNWR but so far as I understand the common engines were
1900-through to the 1920’s 18” & 19” Goods, 2-4-0 Jumbo and Precursors. and by the later 1920’s Prince of Wales 4-6-0’s.
I’ve seen some pictures of Coal Tanks but have no copies or details of the engines.