Matthew owned two sloops

Picture courtesy of Howard Minnick from a photograph of the Tay Landscape Partnership's interpretation board about Patrick Matthew having two of his own ships. 

Text from my 2014 extended 600 page 1st edition Kindle e-book on Matthew (Nullius in Verba Darwin's greatest secret)  "At least according to the anonymous Edinburgh Literary Journal Review (1831) of NTA, Matthew owned two sea-going vessels, which traded from Perth and Dundee with the Baltic."