AN unconsidered trifle - such as Joseph Marr Johnston’s Duke Street Church Halls, in Leith - always catches my attention; its modest appeal often masking a larger truth.
Leith expanded from a population of 10,000 in 1800 to 70,000 by 1930 although growth slowed after the port’s unpopular amalgamation with Edinburgh in 1920.
Imports of tea, grain and timbe…