M. A. Soul
Matthew A. Soul.
of the Patent Office, 3 Leadenhall Street.
1864 Soul's Mode of Expelling Refuse &c., from Ships Below the Water Line, Page 174 of The Engineer 1864/03/18. This was later reported as invented by Mr. John Palmer of Ferrol in Spain and formerly of USA.see page 189 of The Engineer 1864/03/25.