Notebook, paper with card covers, manuscript, Practical Knowledge, by Thomas Marshall of Annesley Shed, near Nottingham, 1940. Contains notes and transcripts of useful information inclduing the following sections: Sectional Times on the GN Routes; distances of stations from King's Cross and Edinburgh; Single Line Working; 'Rules'; procedures during foggy weather; Walschaert valve gear; various junction diagrams; Wrong Line Orders; lengths of tunnels; Permanent Way Notices; Duties of Engine Pilotman; notes on various locomotives; railway heraldary, etc.