Journey notes and observations,
Journey notes and observations,
Notes on gun barrel forging,
Notes on gun barrel forging,
Land management,
Land management,
Stone arch construction,
Stone arch construction,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
Petitions,
Petitions,
Petitions,
Petitions,
Notes,
Notes,
Quarry papers,
Quarry papers,
Notes on quarries,
Notes on quarries,
Notes on iron-making techniques,
Notes on iron-making techniques,
Notes on iron ores,
Notes on iron ores,
Land management and general business,
Land management and general business,
Accounts,
Accounts,
Building works,
Building works,
Furnace and forge,
Furnace and forge,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
