Lombe's Mill used as stores, workshops and a canteen. Hidden from the road by the power station, its existence was forgotten by the public until the power station was demolished in 1970. It was then adapted for use as Derby’s Industrial Museum, which opened on 29 November 1974. The main range was three storeys high, 42.4m by 5.5m. Each floor was used for doubling, and there were 306 doubling machines. Silk is a naturally produced fibre obtained from many species of the silk moth. In 1700 the favoured silk was produced by a moth (Bombyx mori), that spun a cocoon to protect
The Silkworm to stage his disappearance, rewrote "Bombyx Mori", killed Quine and framed Leonora for the crime. Tassel attempts to flee the party only to be quickly caught and arrested, which Strike and Robin planned in advance. Sometime later, Leonora is released from prison, Fancourt acknowledges the original "Bombyx Mori" manuscript's literary value, and Strike tells Robin that he enrolled her in investigative training courses as a Christmas gift. Much like "The Cuckoo's Calling", "The Silkworm" was met with critical acclaim, selling more copies than its predecessor in its opening weeks. Val McDermid from "The Guardian" gave the novel a positive review,