Jamnagar was a 576 GRT coaster which was built in 1924 for Maharaja Jam Sahib of Nawanagar.
It is also noted that Jones once kept wicket behind the great cricketer Ranjitsinhji, who was "an Indian gentleman and upstanding man" until he "whipped his bails off".
K. S. Ranjitsinhji, also known as Maharaja Ranjitsinhji (1872–1933), Jam Sahib of Nawanagar, India and cricketer
K. S. Ranjitsinhji, who was in the crowd at Lord's, would develop the leg glance and make it respectable within a few years, but he had not yet made his first-class debut in 1892.