You get different feelings from different size, colors, and fonts, don't you think? All of these are photos from the Colorado Railroad Museum and depict typography used by the historic American railroads.
I love how they took the time to handpaint these so carefully, and the thorough design and thoughts that went into all decisions before they got painted on. Power, delicacy, boldness, luxury, efficiency, mechanics, elegance, exactness, and mechanics is all there in these numbers and letters, to varying degrees. Check out the stencil marks on some of them; can't you imagine the hand that held up the stencil to get it all correct?