Files containing correspondence, photographs, notes, and ephemera on various wind and water mills and related industries in the United States of America, Canada, and the Caribbean. Industries include sugar mills; salt mills; cider mills; dye mills; flax, hemp and textile mills; paper mills; colour mills; whiting mills; rice mills; ironworks; bridges; canals; hydroelectric power; saw mills; tide mills.

The first indenture comprises one sheet of paper, torn in two, measuring together approx. 45 x 29 cm which concerns the sale of land in Springfield PA (dated 1 November 1815); a second indenture, comprising four sheets of paper measuring 21 x 35 cm and bound together with a cover sheet printed "with Brown, Clark & Howe, Williamsport, PA" and relating to "a Jack Mill which [the parties] contemplate running and using" (dated 2 January 1860); a ledger (1889-1890) and various receipts and invoices relating to the business of Brown, Clark & Howe and various other Williamsport and Jersey Shore, PA businesses (1905-1906); an undated, hand-drawn map (approx. 36 x 19 cm) showing the division of plots of land in Driftwood, PA; a paper Warranty Deed (21 x 35 cm) certifying a married woman's capacity to contract (11 April 1906), McClennan County, Texas.

Notebook measuring approx. 10.5 cm x 16.5 cm and marked on the inside cover 'c.1972' containing a list of mills (one page per mill), at varying levels of detail (those with more content being listed at 'Place access points' below). The first half of the notebook is devoted to watermills but the second half features windmills (mostly smock and post mills). Notes on several of the windmills reference the work of JM Heathcote. Cross references to maps/page numbers of books occur throughout.

Drawings showing the operation of Jefferson's Merchant Mill, produced for Staples & Charles, designers of the exhibitions at Thomas Jefferson's Monticello. Includes 7 copies of Derek Ogden's conceptual drawings of the mill and how it operated, and 10 drawings by Jared Arp based on these and additional research by Elizabeth Chew, curator for the exhibition. The drawings were used to produce an interactive to show visitors how the mill operated.

Numbered 1, 3, 4, WPM1-WPM16.

Correspondence and notes relating to work done on the mill for the City of Durham.

Scrapbook of postcards and photographs. Includes 12 Liebig cards, postcards of UK and foreign mills, photographs of mills in Bedfordshire, Kent, Middlesex, Buckinghamshire, and USA. Stephen Buckland's scrapbook number 53.

Correspondence and notes relating to work done on the mill for Wye Milling Company.

Correspondence relating to work done on the mill for the National Institutes of Health, Maryland.

Correspondence and notes relating to work done on the mill for the National Park Service.

Numbered PM1-PM67 (including PM13A, no PM8).

Correspondence and notes relating to work done on the mill for the Friends of Peirce Mill.

Correspondence and notes relating to work done on the waterwheel for the National Park Service.

Correspondence and notes relating to work done on the Waterwheel outer gudgeon for the National Park Service.

Correspondence, notes and 35mm slides relating to work done on the mill for Dr. D. Fredrickson.

Correspondence and notes relating to work done on the mill for the Carroll County Government, Maryland.

Correspondence and notes relating to work done on the mill for the State of Missouri.

Correspondence and notes relating to work done on the mill for Stewart B. Kean.