Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6134095Teitl925064_42 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Tredomen Works, Gelligaer, taken on 21/10/1992 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6134094Teitl92_CS_1246 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Tredomen Works, Gelligaer, taken on 21/10/1992 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6402987TeitlPWC_03_092 - Peter Wakelin CollectionLefelSub-groupDisgrifiadColour photographs showing Tredomen Engineering Works Offices taken by Peter Wakelin, 1991.Cyfrwng16 colour photographs and 11 negatives. Photo.DelweddaunRhif Archif6487639TeitlTCDC - Tredomen Colliery Drawings CollectionLefelCollectionDisgrifiadGroup of drawings showing details of 'manriding cars' and hydraulic systems that could be used by miners in the collieries.Cyfrwng12 drawings.DelweddaunRhif Archif6487640TeitlTCDC_01 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of Hydraulic Circuit Diagram for Leading Master Car typeCyfrwngDelweddaunRhif Archif6487641TeitlTCDC_02 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of Hydraulic Circuit Diagram for Leading Car type. Scale 1:8.CyfrwngDelweddaunRhif Archif6487642TeitlTCDC_03 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of Hydraulic Circuit Diagram for Trailing Car type. Scale 1:8.CyfrwngDelweddaunRhif Archif6487643TeitlTCDC_04 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of Hydraulic arrangement for Leading Car type 3/24 or 2/16 (medium).CyfrwngDelweddaunRhif Archif6487644TeitlTCDC_05 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of Hydraulic arrangement for Trailing Car type 3/24 or 2/16 (medium).CyfrwngDelweddaunRhif Archif6487645TeitlTCDC_06 - Tredomen Colliery Drawings CollectionLefelItemDisgrifiadDrawing on film of section views of assembly of worm and wheel box for parking brake on manriding cars.CyfrwngDelweddaun
