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On the left is the German Junkers Jumo 223 aircraft engine. The Jumo 223 was a 24-cylinder, opposed-piston, diesel engine capable of over 2,000 hp (1,491 kW).

The aircraft in the upper-middle is the Hawker Fury I. The British fighter was powered by a Napier Sabre engine and attained a top speed of 483 mph (777 km/h).

The automobile in the lower-middle is American J. Walter Christie’s V-4 racer from 1906. The car was one of a number of front-wheel drive automobiles that Christie built from 1903 to 1909.

On the right is the Italian Laboratorio Sperimentale Regia Aeronautica airboat (idroscivolante) from 1935. A number of idroscivolanti participated in the Raid Pavia-Venezia from 1930 to 1939.