"Unrolled" pillar dial with nocturnal. Crude reproduction of a German dial, c. 1650, illustrated in Mrs. Gatty's "Book of Sundials" (with minor changes). Hinged gnomon sliding along horizontal bar along horizon edge of hour scale. Hours in Arabic numerals.
Inscription/Sig.
"W. Hayes"; Motto: "EN INFRA CERTA MORS. EN SVPRA VITA FVGAX."
