If we learn the art of yielding what must be yielded to the changing present, we can save the best of the past.
In 1833, protection was abandoned, and a tariff was established by which it was provided that we should, in a few years, have a system of merely revenue duties.
If you look at a record under a microscope, the high frequencies are short jagged edges... and the low frequencies are long swinging ones are deep bass sounds. When it cut it at half speed, you're getting more of those on the record.

