"Clyno Eng. Co. Ltd." in Wolverhampton was an automobile manufacturer that built and delivered only 4 ABC engines from the 500 that were ordered shortly before the end of the 1914-18 war.

"Logo Clyno"

-The company was dedicated to the manufacture of automobiles until 1929, at least.

-Referring to the main text that the Clyno delivered only four ABC Dragonfly Mark II engines of the 500 that were ordered shortly before the end of WWI, we show a picture of the mentioned engines.

"Clyno assembly hall"

-At the end of the war they had 47 half-produced engines. In fact the remaining 453 were canceled. Clyno continued to build ground vehicles.

From Appendix 6: "Clyno Engineering Co", automobile manufacturer since its inception, was commissioned by WWI to manufacture the ABC "Dragonfly" Mark II aviation engines.

"Clyno Dragonfly"

-It seems that together with Vauxhall they were going to develop and manufacture a powerful water-cooled V-12. Investigation continues.