Visit our museums
Expand child menu
National Science and Media Museum
Science and Industry Museum
National Railway Museum
"Tractive Force and Adhesion of Locomotives", by Harold Holcroft, read at The Institution of Locomotive Inspectors and Foremen
part of archive:
Papers of Harold Holcroft
Browse this archive
Papers of Harold Holcroft
HOL/1 Papers and articles
HOL/1/1 Manuscript for unpublished book entitled "Life With Locos"
HOL/1/2 Papers and articles written by Harold Holcroft
HOL/1/2/1 "Tractive Force and Adhesion of Locomotives", by Harold Holcroft, read at The Institution of Locomotive Inspectors and Foremen
HOL/1/2/2 "The Fairlie Locomotive; part 2: later designs and productions", by the late P. C. Dewhurst, prepared by Harold Holcroft from accumulated notes, read at The Newcomen Society.
HOL/1/2/3 "Basic Facts concerning the First Newcomen Engine to be set at work" by Harold Holcroft
HOL/1/2/4 "Reflections upon the Position of Newcomen in 1712" by Harold Holcroft
HOL/1/2/5 "Design in Railway Engineering" by Harold Holcroft, read at Harwell Reactor School, Atomic Energy Research Establishment
HOL/1/2/6 "The Steam Locomotive - An Historial Review" by Harold Holcroft with a contibution by Mr J. Jones, read at The Institution of Mechanical Engineers; East Midlands Branch; Graduates and Students Section
HOL/1/2/7 "The Southern Region of British Rail" by Harold Holcroft
HOL/1/3 Cuttings of articles written by Harold Holcroft for "The Engineer"
HOL/1/3/1 "Three-Cylinder Locomotives" by Harold Holcroft
HOL/1/3/2 Bundle regarding the newspaper article entitled "The Liverpool and Manchester Railway" by Harold Holcroft
HOL/1/3/3 "Conjugated Valve Gears for Locomotives: Their History and Development" by Harold Holcroft
HOL/1/4 Documents relating to the development of three-cylinder valve gears, collected by Harold Holcroft
HOL/1/5 Contribution by Harold Holcroft to an unidentified engineering reference book, in which concepts of locomotive engineering are detailed
HOL/1/6 The "Particulars of Career", and a photograph, of Harold Holcroft.
HOL/2 Plans, drawings and notes
HOL/2/1 Great Western Railway
HOL/2/1/1 Notebook containing reference tables and diagrams relating to Great Western Railway, such as maximum load gauge and standard track layouts.
HOL/2/1/2 Notebook entitled "Notes on Reinforced Concrete"
HOL/2/1/3 Notebook entitled "Notes on Graphic Statics"
HOL/2/1/4 Harold Holcroft's notebooks used during his time at Great Western Railway.
HOL/2/1/5 Folder containing plans from Harold Holcroft's time at Great Western Railway
HOL/2/2 South Eastern and Chatham Railway
HOL/2/2/1 Set of notebooks containing field notes on locomotive trials at South Eastern and Chatham Railway
HOL/2/2/2 Booklet containing power charts for N and E1 class engines, decorated with Holcroft's doodles on the inside of the covers
HOL/2/2/3 Harold Holcroft's notebooks used during his time at South Eastern and Chatham Railway.
HOL/2/2/4 Sets of cards depicting steam chest pressure charts
HOL/2/2/5 Set of folders with notes relating to Oil Fuel and Steaming trials
HOL/2/3 Southern Railway
HOL/2/3/1 Notebook containing information about running restrictions on the newly formed Southern Railway network
HOL/2/3/2 Plans and documents relating to the instalation and trialing of Anderson steam conservation equipment on the N-Class A816 locomotive
HOL/2/3/3 Harold Holcroft's notebooks used during his time at Southern Railway.
HOL/3/1 Patent for "Improved means for use in operating continuous brakes by a vacuum or compressed air" by Harold Holcroft
HOL/3/2 Patent for "Improvements in or relating to valve gears for engines worked by fluid pressure" by Harold Holcroft
HOL/3/3 Specification of patent for "Improvements in the Valve Gear of Three and Four-cylinder Locomotives" by Harold Holcroft
HOL/3/4 Copies of various specifications for patents relating to locomotive design
HOL/3/5 H. Holcroft's Observations on Patent Specifications
HOL/4 Scrapbook of Harold Holcroft's visit to Germany with the Institution of Locomotive Engineers, for their summer meeting
HOL/5/1 Correspondence between Harold Holcroft and Oliver Bulleid
HOL/5/1/1 Letters from Oliver Bulleid to Harold Holcroft
HOL/5/1/2 Draft copies of letters from Harold Holcroft to Oliver Bulleid, as well as a draft of a letter to Bulleid's wife upon learning of his death, and her reply
HOL/5/2 Letters from Richard Maunsell to Harold Holcroft
HOL/5/3 Letter from Nigel Gresley to Harold Holcroft, requesting they meet to discuss ideas relating to 3 cylinder
HOL/5/4 Correspondence of Harold Holcroft
HOL/6/1 Photographic of an unidentified man aboard a ship
HOL/6/10 Set of photographs showing close-ups of a wheel on a grooved rail
HOL/6/11 Notebooks containing descriptions of photographs, as well as details about exposure and processing settings used
HOL/6/2 Photographic portrait featuring a group of individuals in smart dress posed in a field, including Harold Holcroft
HOL/6/3 Photographic portrait featuring a group of individuals in smart dress posed in front of a building.
HOL/6/4 Photograph showing Southern Railway's E850 "Lord Nelson" during indicating trials
HOL/6/5 Photograph featuring a railway engineer and a man in a suit talking whilst on the footplate of Southern Railway's E850 "Lord Nelson"
HOL/6/6 Photograph showing Southern Railway's 771 "Sir Sagramore", near Shortlands
HOL/6/7 Photograph showing Southern Railway's S15-Class 510 locomotive at Feltham
HOL/6/8 Photograph showing an unidentified electric locomotive pulling several carriages
HOL/6/9 Photograph taken from the back of a train just having crossed the Hohenzollernbrücke across the River Rhine, in Cologne
HOL/7 Items accumulated by Harold Holcroft's grandson