X-Nico

Bryan Donkin

In 1813 he and a printer, Richard Mackenzie Bacon of Norwich, obtained a patent for a "Polygonal printing machine"; this used types placed on a rotating prism.

•

In 1820 Donkin worked with Sir William Congreve on preventing the forgery of excise stamps, using a method of two-colour printing with compound printing plates.

•

The firm of Donkin, Hall and Gamble was later merged into Crosse & Blackwells.

Nicolas Appert

In 1812 Englishmen Bryan Donkin and John Hall purchased both patents and began producing preserves.

Peter Durand

He sold his patent in 1812 to two other Englishmen, Bryan Donkin and John Hall, for £1,000.

see also