[Technical diagrams (2)] / Royal Air Force. Technical Department. 1918. [Colour lithos. See below] Technical diagrams (2) / Royal Air Force. Technical Department. 1918. [Colour lithos. See below] 1918
[Technical diagrams (6)] / Royal Air Force. 1918-1919. [Colour lithos. See below] Technical diagrams, Royal Air Force 1918-1919
[Technical diagrams (6)] / Air Technical Services. 1917-1918. [Colour lithos. See below. See also inv. nos. 1983-56/1-4 (MSP 121/1-4) & 1983-39/1-3 (MSP 122/1-3) for others in this series] Technical diagrams, Air Technical Services 1918
[Air diagrams(4) re "Kestrel" aero engine and "Kestrel" supercharged aero engine] / Air Ministry, Directorate of Technical Development. 1930-1931. [See below. See also inv. no. 1994-1438 (MSP 105/1-40)] Air diagrams 1930-1931
[Technical diagrams (3)] / Air Technical Services. 1918 May. [Colour lithos. See below. See also inv. nos. 1983-56/1-4 (MSP 121/1-4) and 1994-1444/1-5 (MSP 124/1-5) for others in this series] Technical diagrams, Air Technical Services 1918
Technical diagrams (6)] / Air Technical Services (4) and Air Board, Technical Department (2). 1916-1918. [Colour lithos. See below] Technical diagrams (6)] / Air Technical Services (4) and Air Board 1916-1918
[Technical diagrams (11)] / Air Board. Technical Department. 1917-1918. [Colour lithos. See below. See also inv. no. 1983-56/5-6 (MSP 121/5-6) for others in this series] Technical diagrams, Air Board Technical Department 1917-1918