"ℴ":                         "\u2134",
	"ª":                            "\u00aa",
	"º":                            "\u00ba",
	"⊶":                          "\u22b6",
	"⩖":                            "\u2a56",
	"⩗":                         "\u2a57",
	"⩛":                             "\u2a5b",
	"ℴ":                            "\u2134",

		"orderof;":                         '\U00002134',
		"ordf;":                            '\U000000AA',
		"ordm;":                            '\U000000BA',
		"origof;":                          '\U000022B6',
		"oror;":                            '\U00002A56',
		"orslope;":                         '\U00002A57',
		"orv;":                             '\U00002A5B',
		"oscr;":                            '\U00002134',

Water, Air, &c. when made very thin by being blown into Bubbles, or otherwise formed into Plates, do exhibit various Colours according to their various thinness, altho' at a greater thickness they appear very clear and colourless. In the former Book I forbore to treat of these Colours, because they seemed of a more difficult Consideration, and were not necessary for establishing the Properties of Light there discoursed of. But because they may conduce to farther Discoveries for compleating the Theory of...