Home 28 degree angle tilt, and holding! Apparently, this is how they did the testing back in 1933 of these classic 60-person double-decker buses at the the London General Omnibus Company: (image via)Read more at http://www.darkroastedblend.com/2013/09/high-powered-laser-wonder-cleaning.html#UTTW1AKmCuQXdmjx.99 Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to share on Pinterest (Opens in new window) Pinterest Click to share on Tumblr (Opens in new window) Tumblr Click to share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related