http://fromcruise-instoconcours.tumblr.com/post/166016049265/wack…

http://fromcruise-instoconcours.tumblr.com/post/166016049265/wacky-alternate-transportation-at-the-klairmont

Given that this is hand powered, it was probably an “invalid’s chair” or the equivalent of the modern handcycle for someone with polio etc.