2ist March was tendered in evidence but was rejected, the arbitrator
holding that it was not competent for the Medical Board upon an
application under sec. 7 (1) of the Act of 1922 to issue a certificate
of physical fitness under sec. 8 (1) and, further, that the certificate
itself was invalid on the ground that it was not in conformity with
sec. 8 (1) by reason of the addition of the words " in so far as lead
poisoning is concerned." Another certificate given by the Medical
Board on 17th August 1925 in the same form as that of 21st March
1924, but omitting the words "in so far as lead poisoning is
concerned," was also tendered in evidence, but was rejected on the
ground that it was ultra vires the Board. George Meyer Hains, a
legally qualified medical practitioner and one of the three members
of the Medical Board who had examined Hennessy on 20th March
1924, was called as a witness and was asked questions with regard
to Hennessy's state of health at that time, but the arbitrator rejected
the evidence, holding that no member of the Medical Board could be
examined or cross-examined as to any certificate that might be
given or as to the conclusions arrived at before giving such certificate.
The request of the Company for the termination or diminution
of the weekly payment was therefore refused. From that decision
the Company appealed to the Full Court of the Supreme Court,
which allowed the appeal and referred the matter back to the
arbitrator for further consideration: In re Broken Hill Pty. Co.
and Hennessy (1). The majority of the Court (Street C.J. and
Campbell J., Ferguson J. dissenting) held that the certificate of
21st March 1924 was authorized by sec. 8 (1) of the Act of 1922 and
was valid, and also that the evidence of Dr. Hains was admissible
to prove the state of Hennessy's health when the examination was
made by the Medical Board.