[5] Nasmith started his career in the industry, working in various parts of the country among others at the Portsmouth Dockyard.
Eventually in 1890 he settled in Manchester as consulting engineer, specialized in the textile industry.
Over the years he had gained extensive knowledge of the spinning and weaving industry and its origin.
In 1896 was also appointed Examiner in Cotton Spinning at the City and Guilds of London Institute.
[5] Nasmith was member of The Manchester Association of Engineers, and was elected president in the year 1896/97.