Folder of materials on Magnetic Brakes & Machinery 1900s-1940s kept by Westinghouse engineer: parts lists, original photos, brochures, publications

Folder from the estate of a Westinghouse engineer on uses of magnetic equipment in trains: 1) Group of 14 photos, almost all of which have duplicates and triplicates, printed on 8.5 x 11 sheets: contact prints of 4 x 5 negatives on matt finished paper, probably from 1927 as they are stapled together at corner with tear sheets of Electric Railway Journal, 1927. The photos are great, showing train and trolley cars and their undercarriages and brake mechanisms. 2) Folder held together with brass fasteners entitled 'Photographic Piece Lists' with 8 photos of spec sheets in rather grubby condition and select sheets from Westinghouse in Manchester, UK, from 1909, descriptive leaflets about improvements being made to magnetic brake systems. 3) two large brochures from Freins Joiurdain Monneret in Paris, describing 'Le frein magnetique sur rails' and 'Frein electro-magnetique sur rails' very good condition ca. 1940s. 4) General Electric Company bulletin describing the GE 80 Railway Motor which had a magnetic frame. 5) Westinghouse Electric Part Catalogue No. 6092, January 1907, Parts of Type K Series Parallel Controllers. Bound with brass fasteners, 44 pp, covers soiled and somewhat worn, parts are sometimes illustrated, all priced. 6) Westinghouse circular of several pages from 1911 describing interpole railway motors, also somewhat soiled and grubby.