ˌɔn zˈɪŋkɪnz məʃˈiːnz, ðə wˈeɪt lˈɪftᵻd wʌz sᵻlˈɛktᵻd baɪ ɪnsˈɜːɾɪŋ ɐ pˈɪn ˌɪntʊ ðə wˈeɪt stˈæk; mˈuːvɪŋ ðə pˈɪn tˈʊk ˈoʊnli ɐ fjˈuː sˈɛkəndz.
On Zinkin's machines, the weight lifted was selected by inserting a pin into the weight stack; moving the pin took only a few seconds.