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 pocket diary for October 1933 measuring 6.5 cm x 9 cm containing notes on the mills listed at 'Place access points' below. These include more detailed notes about: the toll board and exterior cleats at Llanddeusant, Anglesey; some drawings under the heading, 'Windmills for the Generation of Electricity, Institute for Research in Agricultural Engineering, University of Oxford'; a reference to 'Parsonage Mill' at Eastbourne 'painted by Hine'; a reference to a book of photos of Eastbourne town hall showing mills in the 1870s and referencing, 'E.L.B. 50 years ago'.

A repurposed Army field message book labelled, "Various notes should be transcribed. Gt Hazely, Ramsey, Ivinghoe" and comprising research notes, drawings and measurements from visits to the identifiable mills listed at "Place access points" below. Ivinghoe is more commonly known as 'Pitstone Windmill', Wailes noting a date of 1627 carved in part of the interior.

A repurposed Army field message book labelled, "Shiremark, Aythorpe Roding, Seaton Ross" containing 8 pages of an undated draft narrative about post mills and paltrok mills. The notebook also contains research notes, drawings and measurements from visits to the following mills: Shiremark Mill, Capel on 12 November 1933 (9 pages); Aythorpe Roding on 1 October 1934 (4 pages); Preston Mill, Seaton Ross on 6 April 1935 (3 pages). Lastly, a long list of 81 windmills, each with what seem to be a key feature noted against them (e.g. "Billericay - collapsed", "Bozeat - winch on tailpole"). Interspersed are notes about two, seemingly unrelated businesses: the Belden Manufacturing Co., Chicago and E.M. Denny & Co, a soft cheese processing plant.

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'.

Photographs of Gibraltar Mill, Great Bardfield, Church Street Windmill, Bocking, and Smock mill, Terling.
Development number 0719.