1907-13

W. Beattie

1968-72

E. Taylor

1913-37

E.P. Gaul

1973-76

R. Bossons

1938-45

T. Robinson

1977

E. Taylor

1946-49

W.H. Weston

1978-80

R. Bossons

1950-61

W.S. Conner

1981-86

D.A. Collins

1961-66

J.F. Grant

1987-

R. Ellis

1967

D.T. Sarfas