Re: Guitar Auction in NY by Guernsey’s on April 2 and April 3
2014/03/10 14:10:41
(permalink)
His perfection of mass producing posts may have diluted his value somewhat.

In order, then, to discover the limit of deepest tones, it is necessary not only to produce very violent agitations in the air but to give these the form of simple pendular vibrations. - Hermann von Helmholtz, predicting the role of the electric bassist in 1877.