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Pori'r archifau

Z/DAF/1998-2080

Correspondence, Enquiries and Quotations re Quarries Machinery and Equipment

Teitl EitemDisgrifiadDyddiad Archif
Z/DAF/1998 TENDERS, sundry accounts including gunpowder, candles, coal.  1888-1931
Z/DAF/1999 1 FILE CORRESPONDENCE on wire saws for slate cutting including photographs.  1901-36
Z/DAF/2000 CORRESPONDENCE, mainly with suppliers of quarry equipment, and letters re production, and Cheddite explosive, also advertisements for Wells Lamp and rock drill.  1904 March 1-April 30
Z/DAF/2001 SPECIFICATION for New Rubble Wagons.  1904 Nov. 11
Z/DAF/2002 AGREEMENT between The North Wales Power and Traction Company Ltd, and The Oakeley Slate Quarries Co. Ltd, re supply of electricity.  1905 June 26
Z/DAF/2003 1 FILE: Correspondence and Reports on Kellon Rock Drill.  1910-38
Z/DAF/2004 REPORT on electrical plant by Mines Inspector.  1921 Sept. 23
Z/DAF/2005 REPORTS on Electrical Plant and current consumption.  1921-40
Z/DAF/2006 1 FILE: Estimates for repairs to old waterwheel and for new Cwmorthin turbine.  1925-30
Z/DAF/2007 1 FILL: REPORTS: electricity consumption at Quarry.  1926-1934
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