1916 - The A. C. KREBS Aerostation Steam Winch System of 1882: practical mechanics course.
In this 1882 car drawn by horses, A. C. KREBS applied for the first time in aerostation the principle of towing with two parallel drums which divides by 10 the traction force on the cable.
<a href="//commons.wikimedia.org/w/index.php?title=Ren%C3%A9_Louis_Martin&amp;action=edit&amp;redlink=1" class="new" title="René Louis Martin (page does not exist)">René Louis Martin</a>
<span class="int-own-work" lang="en">Own work</span>