Late 18th century the mid 19th century (1 gen 18 anni – 1 gen 19 anni)
Descrizione:
 The factor system began to emerge in the late 18th century when technological advances transformed the British textile industry. By the mid-19th century, most cotton production took place in factories 
Aggiunto al nastro di tempo:
Data:
1 gen 18 anni
1 gen 19 anni
 ~ 12 months