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The sign accompanying the H-1 rocket engine. It reads

H-1 Rocket Engine

The H-1 rocket engine evolved from the Jupiter missile engine. A cluster of eight H-1 engines powered the first stage of the Saturn I and Saturn IB rockets, precursors to the Saturn V, which sent Apollo astronauts to the Moon. The Saturn IB launched Apollo 7, the first human Apollo test vehicle, in 1968; Skylab missions 2, 3, and 4 in 1973; and the Apollo-Soyuz Test Project in 1975.

Transferred from NASA Marshall Space Flight Center

Length:	1.9 m (6 ft. 1 in.)
Weight:	900 kg (2,000 lb)
Thrust:	734,000-912,000 N (165,000-205,000 lb)
Propellants:	liquid oxygen, kerosene
Manufacturer:	Rocketdyne Div., North American Aviation
	A19680012000