Tubular scaffolding for military purposes (omslagtitel) Military engineering : Bridging / Army Council - Engeland Voorschrift, 26/Manuals/139 Bridging (general principles and materials) - Engeland Voorschrift, 26/Manuals/1399 Notes on military railway engineering : Bridging Notes on military railway engineering : Bridging: Supplement No. 1: The unit construction railway bridge Bridging - Engeland Voorschrift, 26/GS Publications/1366