A repurposed Seandar diary for 1925 measuring 9.5 cm x 15 cm recording an 8 day tour of windmills, most of which located in Cambridgeshire. Planning notes for the trip list mills to be visited each day (as well as recommended inns in which to dine/stay).
Notes are made for the mills listed in 'Place access points' below, occasionally accompanied with dimensions and drawings. Mills which have been demolished are also recorded. A list of those mills not visited is given at the back.
Unindexed mills visited include Polton Mill, Shepreth End post mill, a tower mill at Bradley and the remains of tower mills at Chesterton, Boxworth and March.
Mills at Histon, Waterbeach, Yelling, Fen Drayton, Somersham, Warboys, Susards Farm, Madingley and St John's Highway are marked 'non-est'.

A repurposed Lett's diary for 1936 measuring 7.5 cm x 11.5 cm, containing measurements, notes, calculations and drawings on a variety of engineering and milling matters including the mills listed at 'Place access points' below.

Reference is made to a number of sea or tide meals including unidentified ones at Denham, Wadebridge and St Austell, Cornwall and also to 'Butshead Tide Mill' [Budshead?] at St Budeaux. There are also 8 pages of notes under the headings 'Beech' and 'Stock' detailing the equipment/set-up within two unidentified mills. A further unidentified mill mentioned is 'Little Bentley Mill'.

Further notes on tide mills record that, 'porpoises came up at Barrow Hill Tide Mill, Abridge [Heybridge?], Maldon Essex'. A record is also made of '7 Tide Mills on North coast of Norfolk in the Burnhams'.

A repurposed Army field message book labelled, "Tide [and] Cider Mills, Woad Cart, Sprowston" containing research notes, drawings and measurements taken from visits in 1932 to the identifiable post and tower mills listed at "Place access points" below.
The notebook also contains: 5 pages of notes extracted from "The Miller's Guide", R.R. Smith, London, William Butcher, 1875; 4 pages of notes following a visit to a cider mill at St Keynes, Cornwall, 2 July 1937; 24 pages of notes and drawings labelled, "Woad Farm, Boston, 2 August 1937"; in the rear pocket, two postcards addressed to Wailes, one of which is from H.W. Dickinson, Honorary Secretary of The Newcomen Society , referencing tide and cider mills.

A Reporters' Notebook containing:
Northants: notes taken from 'Northants Notes & Queries, New Series, Vol.4, 1912-1920' relating to: a 1609 grant by James 1 of a post mill at Kettering; the history of an unindexed tower mill (located on the site of a former post mill on Rockingham Road, Kettering) which was demolished in 1893; 18th c. maps of Kettering showing the location of various mills and a 19th c. print showing a post mill at Peterborough; also notes about the post mill at Seaton, Rutland which was demolished in 1917 as well as the nearby watermill, Henry Royce being said to have worked at both mills as a boy.
Suffolk: research notes relating to Suffolk windmills including construction dates, operational status in 1926,1939 and 1955 and including the notable features listed in 'Subject access points' below.
Windmill restoration: eight pages of draft narrative rehearsing the demise of wind and watermills since the late 19th c. and extolling the efforts of John Russell to restore and preserve Union Mill, Cranbrook. The narrative rehearses the preservation efforts made by a number of local authorities (counties listed in 'Place access points' below) arguing that it should be essential for such work to be their responsibility.
Windmills still in operation: notes running from back-to-front in the notebook listing, 'How many still in use', which are 'Workable' and 'When used and why'.