He had held the seat since a by - election in 1929 .
The seat had become vacant when the constituency 's Conservative Member of Parliament ( MP ) , Sir John Ferguson , died on 17 July 1932 , aged 62 .
John Ferguson had held the seat since a by - election in 1929 .
The seat had become vacant when the constituency 's Conservative Member of Parliament ( MP ) , Sir John Ferguson , died on 17 July 1932 , aged 62 .