Comments on: 1879 – Walking Steam Tractor – Praul (American) http://cyberneticzoo.com/walking-machines/1879-walking-steam-tractor-praul-american/ a history of cybernetic animals and early robots Sun, 10 Apr 2016 20:52:37 +0000 hourly 1 By: David http://cyberneticzoo.com/walking-machines/1879-walking-steam-tractor-praul-american/#comment-598 Wed, 16 Jun 2010 14:02:52 +0000 http://cyberneticzoo.com/?p=3103#comment-598 Amazing!!!

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