Archive NumberTitleLevelDescriptionMediumImagesArchive Number6432964Title1991_3_1 - NMR Site FilesLevelItemDescriptionView of no 4 furnace from the west.MediumPhoto.ImagesnArchive Number6432965Title1991_3_2 - NMR Site FilesLevelItemDescriptionView of blast tunnel behind furnace no 4.MediumPhoto.ImagesnArchive Number6432966Title1991_3_3 - NMR Site FilesLevelItemDescriptionView of no 1 furnace from SW.MediumPhoto.ImagesnArchive Number6432967Title1991_3_4 - NMR Site FilesLevelItemDescriptionView of no 1 furnace from E.MediumPhoto.ImagesnArchive Number6432968Title1991_3_7 - NMR Site FilesLevelItemDescriptionBridge carrying tramroad over River Cynon, view from NW.MediumPhoto.ImagesnArchive Number6432969Title1991_3_8 - NMR Site FilesLevelItemDescriptionTramway embankment viewed from top of No 1 furnace (from NW).MediumPhoto.ImagesnArchive Number6058146Title8M_2478_1 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. 8M/2478/1, transferred from Cadw, concerning Early Industrial Monuments - Hirwaun Iron works (site of), Penderyn, Brecs, scheduling. SAM Code BR157MediumText.ImagesnArchive Number6293978Title9500008_1 - Investigators' PhotographsLevelItemDescriptionNo.4 furnace detail. NA/BR/95/45.MediumPhoto.ImagesnArchive Number6305588Title9500008_10 - Investigators' PhotographsLevelItemDescriptionNo.2 furnace, from SE. NA/BR/95/045.MediumPhoto.ImagesnArchive Number6261210Title9500008_11 - Investigators' PhotographsLevelItemDescriptionNo.1 furnace detail. NA/BR/95/045.MediumPhoto.Imagesn
