John Hall and Son
Gunpowder maker, with works at Faversham, Eastwood and Argyll Mills, Lochfyne; offices at 23 Lombard Street, London.
1851 Registered designs of safety stopper and measure for powder canisters and flasks; and of a powder canister[1]
1898 Curtis's and Harvey was incorporated to take over the businesses of certain firms and companies manufacturing black and smokeless military and blasting powders, including John Hall and Son [2]