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)