000009552 001__ 9552 000009552 005__ 20220628160536.0 000009552 037__ $$aGENERAL 000009552 245__ $$aThe Drum Spanner 000009552 269__ $$a1967 000009552 520__ $$aThe Drum Spanner. December 1967. AUTHOR UNKNOWN. The device described here was invented by Engineer Lieutenant-Commander R. A. Amey, Royal Navy, while serving as the Engineer Officer of the 5th Minesweeping Squadron, to meet the needs of changing CMS propellers under water. 000009552 773__ $$tJournal of Naval Engineering$$j17$$k2 000009552 8564_ $$96034bfb9-43da-40ee-a8d6-a007e4443be7$$s482966$$uhttps://library.imarest.org/record/9552/files/v17b2p18a.pdf