Name Origin: English
Name Gender: Male
In Saxon legislation. A book or writing; a deed or charter. Boc land, deed or char ter land. Land boc, a writing for conveying land; a deed or charter; a land-book.
The reason of this is, that the segments of the plate AOD, BOC always vibrate in the same direction, but oppo sitely to the segments AOB, DOC. Hence, when the pasteboard is in its place, there are two waves of same phase starting from the two former segments, and reaching the ear after equal distances of transmission through the air, are again in the same phase, and produce on the ear a conjunct impression.