1. The metering of compressed air;Hodgson;Trans. Inst. Mining Eng,1921
2. The orifice as a basis of flow measurement;Hodgson;Selected Engineering Papers,1925
3. The laws of similarity for orifice and nozzle flows;Hodgson;Trans. ASME,1929
4. Effect on pulsation of flow of gases;Judd;Trans ASME,1923
5. Behaviour of the secondary device in pulsating flow measurement;Williams,1970