See also CKD-Praga Ceskomoravska Kolben Danek and Praga.

-At the Commemorative Exhibition of the first flight in Barcelona, now a hundred years ago, on February 11, 1910, at the “Enginys Mecanics” collection, a Praga D with four horizontal cylinders has been shown.

-Perhaps the most beautiful engine built.

“A perfectly restored Praga D”

-In this side view we see the two joined cylinder heads with their rocker covers identified as “Praga”.

“Double cylinder head side view”

“Rear view with Vertex Scintilla magnetos”

"The crankshaft rear cover with the CKD initials"