1968 – Iron Mule Train – R. A. Morrison (American)

Although referred to as the "Iron Mule Train", only one carriage was built for test purposes. I believe it was Frank Tinsley's original idea in extending Space General's original Moonwalker that inspired Morrison into promoting this third variant (the other being the Moonwalker disability walker after NASA's cancellation of the earlier unmanned moon rover programme.)  …

1961 – Moonwalker Lunar Rover – Space General Corp. (American)

Space General designers have built an insect-like vehicle with six legs, two arms, a triangular body, a solar-cell panel, and an antenna. The left arm, ending in a claw, picks up objects to examine. The right one holds a TV camera to do the looking – and to see where the vehicle is walking. This …

1966 – “Moonwalker” Disability Walker – Jack Miller / W.C. Baldwin / Brodsky (American)

As a child, I really wanted one of these! Of the three built, two may still be in existance at the Rancho Los Amigos. **Video clip via youtube – has both the Moon walker prototype and the chair** Either an early version, or the prototype for the later Iron Mule Train see here. Cam-leg set-up …