SIMPLE ÆOLIAN HARP.
Fasten the ends of a length of waxed saddler’s silk to pegs or nails, which insert in the crack between the two sashes midway in a window, so as to stretch the cord well. The entering air will call out the musical vibrations.
Fasten the ends of a length of waxed saddler’s silk to pegs or nails, which insert in the crack between the two sashes midway in a window, so as to stretch the cord well. The entering air will call out the musical vibrations.