Note 143 — TREVITHICK,
Reading edition
A very remarkable man. Being anxious to ascertain how castings were made, in order to substitute cast-iron pumps for the bored wooden tubes formerly in use in the Cornish mines, he went 'up the country' for the purpose; but was refused admittance into any of the foundries, until he hit upon the expedient of dressing himself in rags and feigning to be half-witted, whereupon he gained employment as a sort of messenger to the workmen, and thus got an opportunity of acquiring the much-desired information.