These photos provide an insight of how the workforce and workplace has changed over the last century.
Pictured are miners, farmers and workers in the growing engineering industry which provided a lot of jobs because of the machinery.
1. Rolls Royce
A production-built, Rolls Royce RB 211 three-shaft turbofan power unit at the Derby factory's Aero Division as used in Lockheed L-1011 TriStars. The fan module is pictured balanced on a Schenck HL50 machine which is unusually large and measures 'unbalance' forces rather than displacement. Pictured taken on January 7, 1971. (Photo by Fox Photos/Getty Images) Photo: Fox Photos
2. The Avenue Colliery
The Avenue Colliery in August 1931, set in countryside outside Chesterfield. (Photo by Fox Photos/Getty Images) Photo: Fox Photos
3. Coal miners
A group of coal miners leaving a mine in Derbyshire on February 1, 1912. (Photo by Topical Press Agency/Getty Images) Photo: Topical Press Agency
4. Harvest time
The mangold harvest being collected in a field in Derbyshire in April 1945. (Photo by H. Smith/Fox Photos/Getty Images) Photo: H. Smith