Collection of undated research notes on:

• an analysis of Suffolk post mills (72 pages);
• winding gear (15 pages);
• Robertson's windmill, Virginia (17 pages);
• Cranbrook mill (11 pages);
• a draft paper on the development of windmills, bearing similarity to sections of Wailes' 'Windmills in England' (published 1948) as well as a section on horse gear (24 pages);
• drawings/tracings of mill mechanisms, particularly bell alarms and sack hoists (3 pages);
• Suffolk windmills begining with 'W' listed at 'Place access points' below (3 cards);

Also a bundle of loose notes mostly focusing on Suffolk mills, some being undated, those that are ranging in date from 6 October 1928 to 29 April 1932.

A 'spring folio', binding together loose pages comprising 'Windmill Notes, compiled from various sources by T.B. Paisley'. The folio is divided into the following sections: 'English Windmills. Arranged by Counties' and 'Foreign Windmills' (USA and France). The folio covers the counties listed at 'Place access points below' with brief details of selected post, tower and smock mills there and the date visited.

3 identical 'Kirby Series' Reporters Books, each 160 pages, containing Wailes' research and manuscript for 'The Windmills of Suffolk'.

A repurposed Army field message book (without its cover) labelled, 'Chinnor & (contains all sketches & rough notes of) Llandeusant Mill, Anglesey, Saughall'. The contents include: a narrative description of the post mill at Chinnor, describing its post as, 'the smallest I have ever seen', notes also being made about 'Great Hazeley Mill' (7 pages); detailed notes, drawing and measurements on 'Saughall mill' following an inspection on 4 March 1933 (20 pages); intricate drawings, measurements and notes about Llanddeusant water mill (33 pages).
The notebook also contains detailed notes relating to some sort of printing or photographic process and a pinned memo to 'call at W.H. for fiddle' [a possible reference to Enid Wailes' violin].

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, Great Chesterford, 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 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, "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 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 repurposed Army field message book labelled, "Lacey Green" comprising 4 pages of research notes, drawings and measurements from a visit to Lacey Green Windmill. The remainder of the notebook is blank.

"Plan of curb and cap frame" carbon copy;
"Weatherbeam strengthening" drawing;
"Tower Mill, Blenheim Gardens, Lambeth" carbon copy;
"Section X-X & Y-Y" edited carbon copy