Damages—Negligence—Collision of vehicles—Proof of loss of earnings—
Determination of period for which loss of profit recoverable—Whether concept of
reasonableness invariably applicable—Evidence that plaintiff not guilty of
unreasonable delay—Whether plaintiff entitled to recover for whole of proven period
of loss—Amount to be scaled down by reason of possible contingencies.
Practice and procedure—Money claims—Specific amounts—Plaintiff normally bound
by claim on writ—Evidence establishing amount claimable exceeding amount on
writ—Issue mere technicality of procedure rather than fundamental procedural
irregularity— Whether claim amendable to reflect evidence.