Dangos 2 canlyniad

Disgrifiad archifol
Iron ores.
Rhagolwg argraffu Gweld:
Esgynnol

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.

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.