I found the Faraday, hygiene
Kelvin and Newcomb lectures from the Harvard Classics, 1910 edition. I was reading the William Thomson, Baron Kelvin of Largs, lecture on the wave theory of light, and came across this passage:
“The school system seems to be very admirable, and I hope the teaching of the metrical system will not be let slip in the American schools any more then the use of globes. I say this seriously: I do not think any one knows how serious I speak of it. I look upon our English system as a wickedly brain-destroying piece of bondage under which we suffer.”
The lecture was delivered on 29th September, 1894, at the Academy of Music in Philadelphia.