John Crichton (London)
of 112 Leadenhall Street, London
Maker of scientific instruments, well known for marine barometers.
Apprenticed in 1820 to Benjamin Messer of The Minories in London.
Listed as trading in his own right by 1831, at 32 Fore Street, Limehouse, London.
He moved after three years to 112 Leadenhall Street, London where he advertised himself as instrument maker to the Honourable East India Company and to Trinity House.
Exhibited at the 1851 Great Exhibition, and awarded a prize medal for sextants and drawing instruments.
The firm continued to trade beyond 1864 as John Crichton and Son.