Technology Gnomonics System of Dialling Tab. IVAlexander Hogg c.1788
Ring Dial, Dialing, Tide Dial
Antique Copper engraving engraved by J.Page, printed on hand made hemp and flax laid paper.
Published "According to an Act of Parliament" by Alexander Hogg, at the Kings Arms No 16 Paternoster Row, London circa 1788
Condition= Very good.
Gnomonics is the art or designing and constructing sundials. Detailed diagrams showing various methods for constructing dials to show the hour of the day.
Plate mark = 23.5 x 38 cm (9.4 x 15.2 inches)