Showing 4880 results
Archival description
Letter from A Home describing his discoveries of orpiment
Letter from A Home describing his discoveries of orpiment
Letter from A Hodge about his house garden pot, with drawings
Letter from A Hodge about his house garden pot, with drawings
Letter from A Hawkesworth about an alarm to ring a bell and light a candle at the same time, to be put in motion by a watch
Letter from A Hawkesworth about an alarm to ring a bell and light a candle at the same time, to be put in motion by a watch
Letter from A Germain stating that he has signed a certificate about Rev William Smith's plantations
Letter from A Germain stating that he has signed a certificate about Rev William Smith's plantations
Letter from A G Eckhart about turkey red
Letter from A G Eckhart about turkey red
Letter from 'A Friend to Bees, Son of a member' about his method of destroying wasps
Letter from 'A Friend to Bees, Son of a member' about his method of destroying wasps
Letter from a farmer about land drainage
Letter from a farmer about land drainage
Letter from A Durlacher about making saltpetre
Letter from A Durlacher about making saltpetre
Letter from A Durlacher about making saltpetre
Letter from A Durlacher about making saltpetre
Letter from A Durlacher about making saltpetre
Letter from A Durlacher about making saltpetre
Letter from A Crocker about ventilating mines
Letter from A Crocker about ventilating mines
Letter from A Crocker about ventilating mines
Letter from A Crocker about ventilating mines
Letter from A Crocker about his machine for extracting mephitic air from coal pits
Letter from A Crocker about his machine for extracting mephitic air from coal pits
Letter from 'A Contributing Member' suggesting construction of a machine for projecting snow to fight fires
Letter from 'A Contributing Member' suggesting construction of a machine for projecting snow to fight fires
Letter from A Clarence about Mr Knight's improved hoe, with drawing
Letter from A Clarence about Mr Knight's improved hoe, with drawing
Letter from a candidate about cleaning reservoirs
Letter from a candidate about cleaning reservoirs
Letter from a candidate about a horizontal windmill
Letter from a candidate about a horizontal windmill
Letter from A C Berrow about employment for soldiers and sailors
Letter from A C Berrow about employment for soldiers and sailors
Letter from A Burton about improved fire engine
Letter from A Burton about improved fire engine
Letter from A Burton about improved fire engine
Letter from A Burton about improved fire engine