He probably refers to Samuel Clarke's Demonstration of the Being and Attributes of God, which appeared in 1706, and a treatise De Spatio Reali, published in the same year.
Then our visitor gave us many reminiscences of his own, winding up with one wherein he observed "brevi spatio interjecto, ladies; off came my breeches.
Wretches that they are, they have even in spirit pursued me to England, causing a critic to observe that brevi spatio interjecto is my only Latin, whereas the matter is this.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "spatio" in a variety of sentences. We hope that you will now be able to make sentences using this word.