Some such instrument soon came into use, but its definitive and successful pattern was not Hariot's, but one invented by John Davis in about 1594.
Ezinye zezo zilinganisi zasetyenziswa kwamsinya kodwa inkcazelo egqibeleleyo nomfanekiso wempumelelo yayinjengoka Hariot, kodwa omnye wayilwa nguJoni Davide ngonyaka ka1594.