TY - JOUR AB - The Townend Ring Boulton & Paul, Limited, announce that they are the holders of all the Foreign and Dominion patents covering the device known as the Townend King, and that in addition to the original patents they have applications pending both in this country and abroad for certain important improvements on the original device. TI - Recent Technical Developments JO - Aircraft Engineering and Aerospace Technology DO - 10.1108/eb029280 DA - 1930-06-01 UR - https://www.deepdyve.com/lp/emerald-publishing/recent-technical-developments-RyAzokPF64 SP - 155 EP - 155 VL - 2 IS - 6 DP - DeepDyve ER -