There are many more examples. Note that measuring each of these properties will not alter the basic nature of the substance. Examples of chemical properties are: heat of combustion, reactivity with water, PH, and electromotive force.
Mathematical fonts. In mathematical mode you can change the typefaces of the fonts when needed. For instance, it's customary to represent real numbers with a blackboard bold font, or topological spaces with calligraphic font. This article shows several fonts in math mode.
OldNewspaperTypes, Regular. OldNewspaperTypes font is one of Old Newspaper Types font variant which has Regular style. This font come in ttf format and support 212 glyphs. Based on font metric, OldNewspaperTypes Regular has usweight 500, width 5, and italic angle 0. This font is labeled as .