- P1/3.
- Ffeil
- 1780-1781.
Rhan oJohn Bedford Papers,
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.
Iron ores.
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Iron ores.
Termau cyfwerth
Iron ores.
Termau cysylltiedig
Iron ores.
2 Disgrifiad archifol canlyniad ar gyfer Iron ores.
2 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach
Notes on pig and bar iron and iron ores,
- C1.
- Cyfres
- 1763-1787.
Rhan oJohn Bedford Papers,
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.