Micrometer sextant - Aluminium - Heath Navigational “Hezzanith” - No. 78016

English marine micrometer sextant marked “Heath Navigational, London S.E.9”, “MC1”, “78016” and “Made in England”, presented in a fitted wooden carrying case.

The instrument carries the “Hezzanith – Endless Rapid Reader – Automatic Clamp” plaque. Features include a black textured metal frame, graduated arc, micrometer drum, telescope, adjustable mirrors and pivoting sun filters.

Inside the lid is a W. F. Stanley & Co. Limited Certificate of Examination, dated 17 March 1978, bearing the matching serial number 78016. The certificate records corrections at various angles and specifies a 4× telescope. An additional nautical-instrument service label is attached.

Supplied with the brush, adjustment tool and other accessories shown in the photographs.

Details

-Maker’s marking: Heath Navigational, London S.E.9
-Instrument: Hezzanith marine micrometer sextant
-Model marking: MC1
-Serial number: 78016
-Country of manufacture: England
-Period: second half of the 20th century
-Examination certificate: 17 March 1978
-Case: fitted wooden carrying case