Slow progress on debugging new 3-inch/70 calibre guns, which saw the aircraft carrier Victorious armed with slower firing US 3-inch/50 calibre mountings.
slˈoʊ pɹˈɑːɡɹɛs ˌɔn dˈiːbˌʌɡɪŋ nˈuː θɹˈiːˈɪntʃ slˈæʃ sˈɛvənti kˈælɪbɚ ɡˈʌnz, wˌɪtʃ sˈɔː ðɪ ˈɛɹkɹæft kˈæɹiɚ vɪktˈoːɹiəs ˈɑːɹmd wɪð slˈoʊɚ fˈaɪɚɹɪŋ jˌuːˈɛs θɹˈiːˈɪntʃ slˈæʃ fˈɪfti kˈælɪbɚ mˈaʊntɪŋz.