405077 Glyn Neath Gunpowder Works, Watch House and Wash House
(SN 91420819)
The Watch House was where workers changed into special clothing and slippers for working in hazardous areas. This watch house was built before 1877 and was for men working in and around the mills, (Watch House: No.23; Wash House No.24 on the Nobel Plan). The building has been demolished.

Reference:
Nobel Industries Ltd. (1927) Block Plan of Glyn Neath Black Powder Factory. NMRW

D.J.Percival, 18 October 2006