Established in 1837 by John Baker (c.1797-1865), this firm manufactured files in Rockingham Street. The name became ‘& Son’ in 1847, and ‘& Sons’ in 1857, after Baker’s sons – Thomas (c.1828-1903) and Joseph (c.1835-1914) – respectively, joined the business. Baker’s moved to Monmouth Street in 1861. Twenty years later, John Baker & Sons employed over thirty workers. It advertised crucible steel, saws, files, and edge tools, and was based at M....