During what time period in the novel, The Adventures of China Iron, set?

The novel is set sometime during the reign of Great Britain's Queen Victoria, who ruled from the mid-1800's to the early 1900's. It was a period of general sexual repression, of fast growth in industry and manufacturing. and of expansion of Great Britain's worldwide empire. All three of these aspects of Victoria's reign play a role in shaping and defining the narrative, its conflicts, and its thematic considerations.