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Disgrifiad archifol
John Bedford Papers, Iron ores.
Rhagolwg argraffu Gweld:

Notes on pig and bar iron and iron ores,

Notes relating to the production of pig and bar iron and papers concerning the quality of iron ores, 1763-1787. Journey notes are also included as they refer mainly to forging techniques.

Correspondence,

Correspondence, 1780-1781, including draft letters concerning the principles of iron ores and the science of forging, and Bedford's search for an agent in the South West of England.