The United States Congress ratified the treaty in 1878. The United Kingdom signed the treaty 1884. Neither country passed laws making it compulsory to use the metric system.
ð ə WORD_BOUNDARY j uː n aɪ t ɪ d WORD_BOUNDARY s t eɪ t s WORD_BOUNDARY k ɑ ŋ ɡ ɹ ə s WORD_BOUNDARY ɹ æ t ɪ f aɪ d WORD_BOUNDARY ð ə WORD_BOUNDARY t ɹ iː t i WORD_BOUNDARY ɪ n WORD_BOUNDARY w ʌ n WORD_BOUNDARY θ aʊ z ə n d WORD_BOUNDARY eɪ t h ʌ n d ɹ ɪ d WORD_BOUNDARY s ɛ v ə n t i WORD_BOUNDARY eɪ t WORD_BOUNDARY ð ə WORD_BOUNDARY j uː n aɪ t ɪ d WORD_BOUNDARY k ɪ ŋ d ə m WORD_BOUNDARY s aɪ n d WORD_BOUNDARY ð ə WORD_BOUNDARY t ɹ iː t i WORD_BOUNDARY w ʌ n WORD_BOUNDARY θ aʊ z ə n d WORD_BOUNDARY eɪ t h ʌ n d ɹ ɪ d WORD_BOUNDARY eɪ t i WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY n iː ð ə ɹ WORD_BOUNDARY k ʌ n t ɹ i WORD_BOUNDARY p æ s t WORD_BOUNDARY l ɔ z WORD_BOUNDARY m eɪ k ɪ ŋ WORD_BOUNDARY ɪ t WORD_BOUNDARY k ə m p ʌ l s ə ɹ ɹ i WORD_BOUNDARY t ə WORD_BOUNDARY j uː z WORD_BOUNDARY ð ə WORD_BOUNDARY m ɛ t ɹ ɪ k WORD_BOUNDARY s ɪ s t ə m WORD_BOUNDARY