A folding brass analemmatic sundial, English, circa 1700

A folding brass analemmatic sundial, English, circa 1700,
attributed to Thomas Tuttell, north dial with ornately decorated and folding gnomon, hour scale IIII-VIII, central compass rose with scroll engraved decoration, the south analemmatic dial (lacking gnomon), eliptical hour scale, central slot with calendar scale, the reverse with hour scale for gnomon and with perpetual calendar engraved Perpetuall Almanacke for the years 1700-61,
2 1/2in x 7 2/3in x 4 1/2in (6 1/2cm x 19 1/2cm x 11 1/2cm) when open
Provenance:
Stuart Talbot, London, 1992.
Private collection.

For a similar dial signed by Thomas Tuttell, see Doretheum auction, Vienna, 8 April 2019, Lot 387.