| 单词 | proof-butt |
| 释义 | > as lemmasproof-butt proof-butt n. ΚΠ 1840 Times 4 Sept. 5 On Friday last a party of the Royal Artillery..proceeded to the proof butt in the Royal Arsenal, Woolwich..for the purpose of trying a plan..for discharging large pieces of ordnance with a hammer and detonating powder. 1866 Sci. Amer. Sept. 213/2 Last August four Palliser guns were tested with perfect success at the proof butt in the Royal Arsenal at Woolwch. 1907 Daily Chron. 3 Jan. 7/1 A serious accident..at the proof butts on Plumstead Marshes. 2002 Herald (Glasgow) (Nexis) 19 Oct. 16 The tests were made in the naval proof butts at Portsmouth. < as lemmas |
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