English translation: "I.-IV. STARTING, V.-VII. WORKING CYCLE (compression and ignition, work, exhaust and charging)"

Detailed illustration of the inner workings of a two-stroke gasoline engine with numbered labels, primarily created for educational purposes.

Artist: Dr. Gustav Daněk

Publisher: State Pedagogical Publishing House

Condition: Fair; please note discoloration, small tears, and piece missing from top.

Material: Paper

All sizes are approximate.