TY - JOUR AB - No. 32 of the year 1934 Airscrews to the undermentioned designs have been approved and additions should be made to the appropriate Notices:— VL - 6 IS - 12 SN - 0002-2667 DO - 10.1108/eb029885 UR - https://doi.org/10.1108/eb029885 PY - 1934 Y1 - 1934/01/01 TI - Air Ministry Official Notices: Instructions to Aeroplane Owners and Ground Engineers on Essential Modifications T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 334 EP - 334 Y2 - 2024/04/25 ER -