Journey notes and observations,
Journey notes and observations,
Notes on gun barrel forging,
Notes on gun barrel forging,
Stone arch construction,
Stone arch construction,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
Petitions,
Petitions,
Notes on quarries,
Notes on quarries,
Land management,
Land management,
Notes on iron ores,
Notes on iron ores,
Accounts,
Accounts,
Furnace and forge,
Furnace and forge,
Correspondence,
Correspondence,
Correspondence,
Correspondence,
Notes,
Notes,
Notes,
Notes,
Notes on quarry produce and business,
Notes on quarry produce and business,
Notes on pig and bar iron,
Notes on pig and bar iron,
Notes on light cannon casting,
Notes on light cannon casting,
General business,
General business,
Salaries,
Salaries,