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History of Science Museum

Sextant in Box, by H. Hughes & Son, London, 1940-1950

Inventory Number 34819


Acknowledgement: © History of Science Museum, University of Oxford, inv.34819

Subject
Navigation
Item type
Object
Provenance
Bequeathed by Mrs. A.M. Billmeir. From the collection of her late husband J. A. Billmeir
Primary inscriptions
"H. HUGHES & SON LTD. LONDON", "27290" and "KELTIC" on scale arc; "HUSUN / TRADE MARK" plate on index arm; "PATENT / NO. 472814" on reverse of index glass; "PAT NO. 30340/34" horizon glass mount.
Object type
Sextant
Inventory No
34819
Accession Number
1973-11/15

Description

Lattice frame; circular index and horizon glasses, each with sets of shades; racked limb with illuminated vernier (battery in plastic handle), with micrometer; one dark tube, two telescope tubes and additional eyepiece, two eyepiece shades, oil bottle and additional glass and half-silvered glass; in fitted case with test certificate by Kelvin & Hughes dated 29/6/54 mounted inside lid of case.