Sundial




1966 Sundial - Martin Bernhardt Bernhardt’s roller


2012 Jun 21 Sine Sole Sileo
Novel Sundial rivals clock in accuracy by Allen McManigal popular science 1937 Oct

1892 Sundial - local mean time by Major General John Ryder Oliver British Patent Specification No. 1,660 of 1892. Presented by Miss M. L. B. Oliver. Time Measurement Catalogue No. 124 Inv. 1897-29.

1434 Angbu-ilgu Korean sundial