John Smith and Sons
Midland Clock Works, Queen Street, Derby.
1856 Business established
1933 Acquired William Potts of Leeds
1967 Acquisition of J. B. Joyce and Co of Whitchurch completed
1982 Acquired G. and F. Cope of Nottingham
1970s Converted many clocks to electric motors made by the company.
2012 Acquired James Ritchie and Son of Edinburgh.
Sources of Information
- Observer 24 May 2020
-  Smith Group