Sentence:  The ringing of the bell and the rap upon the door, ſtruck likewiſe ſtrong upon the <WSD>ſenſorium</WSD> of my uncle "Toby,"—but it excited a very different train of thoughts ;—the two irreconcileable pulſations inſtantly brought "Stevinus," the great engineer, along with them, into my uncle "Toby'''s mind... 
Meaning of the word marked with <WSD> tags:  The brain or mind in relation to the senses.