Date: w. c. 1759-1791

"There are according to a certain medico physical society, certain natural excavations in the head of man, wherein everyone may be supposed to have a sort of twisting mill, or Gig of his own; to work and bring forward his Ideas; and whatever happens either to obstruct or impel the working of this...

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"And this in some measure accounts why there are some heads so strange and whimsical, without any fixed Ideas at all, some exceedingly heavy and confusd; some working and whirling along with amazing rapidity, depending in a great measure upon the different movements of the machine as it works and...

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"should it be granted me then that there is or may be such a machine or Gig in every mans head; that thus works and mills his Ideas, yet it may be questiond perhaps after all, what it is that can give it its first motion."

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"Now the cortical part of the Brain being allowd to be exceding vascular; a quantity of this nervous fluid may be taken up and conveyd to the brain, by the coroted and vertebral arteries, and so set the machine a working; or it is possible to be, that the air received by the mouth, the ear, the N...

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"I will be the Director of no mans opinion but he who is anatomically acquainted with the processus Zygomaticus, the processus Hyloides, or the processius mammillaris; will easily grant me all this may be performd by the air that is received by the ear, or mouth only; so that it is reasonable to ...

— Pratt, Jermyn (d. 1791)