About twenty years later the Astronomer Royal, Nevil Maskelyne, referred in passing to the use of water, mercury, or a basin of treacle as reflecting surfaces.
Kwiminyaka emashumi mabini kamva, umfundi zinkwenkwezi wasebukhosi uNevil Maskelyne, wakhankanya gqitha ukusetyenziswa kwamanzi, imetyhuri okanye incindi yeswekilie njengemiphezulu ebonakalisayo.