sighting

“There will be a small prize for the first sighting of a seal.”

“However, many people—including railwaymen—are only beginning to realise how great is the amount of civil engineering work necessary to achieve adequate clearances for high-voltage overhead equipment under bridges and tunnels; what is involved in the re-signalling needed to permit the increased throughput of traffic (in some places it is unavoidable, to afford better sighting of signals obscured by overhead electrical gear); [...].”