Decorative plates for the upper and lower lips of an organ pipe are of enameled copper to display the organ pipe data with a pleasing appearance

摘要

The decorative plates to be attached to the upper and lower lips of an organ pipe is of enameled copper. The plates are cut to shape, and the zones to be fired are cleaned. The surfaces are covered by a scattering of color granules, and the plates are fired. The enameled plates are mounted at the upper and lower lips of the organ pipe.