Those Objects, which are seen shrouded in a Fog, appear considerably larger than they are in reality: This is owing to the Perspective of the Medium, interposed between the Eye and the Object; which does not proportion its Colour to its Magnitude: Or, in other Words, it is owing to the Grossness, or Resistence of the Fog, by means of which, the Natural Colour of the Object is weaken'd and alter'd beyond its due Proportion; that is, the Diminution of the Angle under which the Eye sees the Object, at that Distance, is not equal to the Diminution of the Colour of the said Object, occasioned by its being seen through that Medium. So that the Object which we here suppose at half a Mile's Distance from the Eye, will yet be as far removed in Appearance, as when seen on the the Edge of the Horizon, in a clearer Day: Now, you know that a Tower seen at this latter Distance, appears no taller than a Man; 'Tis no wonder, therefore, if the Magnitude of the forementioned Object, be augmented; since, while its Real Distance is but half a Mile, the Eye judges of it from its apparent Distance, which is vastly Greater.