- 1Works photographic negative of junction boxes, Firth's steel works, Sheffield (YA1972.36/MS0231/Neg 259)
c.1905, item - 2Works photographic negative of cables on brackets, Firth's steel works, Sheffield (YA1972.36/MS0231/Neg 260)
c.1905, item - 3Works photographic negative of cables on brackets, Firth's steel works, Sheffield (YA1972.36/MS0231/Neg 261)
c.1905, item - 4Works photographic negative of cables entering switch/isolator, Firth's steel works, Sheffield (YA1972.36/MS0231/Neg 262)
c.1905, item - 5Business records of W. T. Glover & Co. Ltd (YA1972.36/MS0231)
1788-1968, fonds