The straight-4 is an internal combustion engine with four cylinders aligned in one row. This is the most common configuration used in cars with an engine size up to 2.0, in some cases up to 2.6 litres.
... Idee (1858-59), with a supplement (Epilegomena, 1862)
Hegels Naturphilosophie und die Bearbeitung derselben durch Vera (1868)
Erläuterungen zu Hegels Encyklopädie der ...