About this episode
Today we talk about escalators. The Slides: https://youtu.be/ciF1p_GMrmw The Patreon: https://www.patreon.com/wtyppod image credits: met steam loco By Hammersfan - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=79896458 tube train By SPSmiler - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=400148 reno-type escalator stolen from https://www.flickr.com/photos/63151554@N00/8772641035 macys wooden escalator By Xiaphias, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16078738 greenford escalator By Billy Hicks - Taken by myself using digital camera., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1128884