 On 16 May 1887, Fletcher was found guilty of endangering his workers and fined at the Bolton Court.This case marked the end of the use of candles and other open lights in English coal mines and left Ladyshore with the infamous distinction of being the last colliery to use open lights.In 1893, the Miners' Federation of Great Britain found itself involved in a struggle against mine owners who wanted a 25% cut in miners pay.