Original Argentinian Railways. Circa 50 pages (all in the style of blueprints) between card covers. Just ask !
1937 Descriptive Diagrams of the Locomotive Railway Book by Jennings RGC
(3) Vintage Diagrams of 1st Locomotive Boiler by International Boiler Works Co.
Descriptive Diagrams of the Locomotive Oswestry Class Book by Hunt
1937 Descriptive Diagrams of the Locomotive Railway Book by Jennings
L.M.S. - Diagrams of Specially Constructed Vehicles - Illustrated
Railway Track Layout Diagrams of the GWR BR (W) Section 11 East Cornwall 2nd Ed.