Based on SW9, SW900 and SW1200 units (as noted) in service 1954 to present. Helical gears with 14:1 ratio for smooth, ultra-quiet running. Iron Planet Hobbies. 6-louver battery box and step. Etched-brass sunshades.
Based on SW9, SW900 and SW1200 units (as noted) in service 1954 to present. Helical gears with 14:1 ratio for smooth, ultra-quiet running. Iron Planet Hobbies. 6-louver battery box and step. Etched-brass sunshades.