1. IOR/L/MIL/17/5/2192 Reference (shelfmark): IOR/L/MIL/17/5/2192 Title: Practical instructions in signalling from cavalry, infantry and armoured cars, to aeroplanes. Simla: GSI, 1918. Scope & Content: diagrams Collection Area: India Office Records and Private Papers Languages: English Date Range: 1918 Extent: [ii], 9p, 21 cm