HubbleColor {Zolt}:
Flywheel
HubbleColor {Zolt}:
Boiler
HubbleColor {Zolt}:
Gears
HubbleColor {Zolt}:
Keck-Gonnerman Steam Tractor
HubbleColor {Zolt}:
Letting Off Steam
HubbleColor {Zolt}:
Locomotive Controls
HubbleColor {Zolt}:
Steam Locomotive Detail
HubbleColor {Zolt}:
Locomotive Wheel
HubbleColor {Zolt}:
Reaching for the Sun
HubbleColor {Zolt}:
Machinery
HubbleColor {Zolt}:
Machinery
HubbleColor {Zolt}:
Machinery
HubbleColor {Zolt}:
Machinery
HubbleColor {Zolt}:
NASA GSFC Cryovac Chamber