Hadley Style
Antique Octant
Premier English Maker
Ca 1750

  SPENCER, BROWNING & RUST THREE MIRROR BACK SIGHT EARLY HADLEY STYLE OCTANT Ca 1750 – 1755       Presented is a very large octant with an index arm of 16 inches made by the famous British instrument maker, Spencer, Browning & Rust of London. It is only one inch smaller than Hadley’s “double reflecting” octant which was […]

Antique Hadley Style Three Mirror Jesse Ramsden Octant 1777

EARLY THREE MIRROR BACK SIGHT OCTANT JESSE RAMSDEN OCTANT Ca 1755 – 1777   PRESENTED is a last half of the 18th C. mariner’s octant with the mark of Jesse Ramsden on the arc. It was Ramsden who invented the dividing machine which allowed for the precision marking of degrees on an instrument’s arc in 1775. This instrument is a smaller version […]

Rare Antique Presentation Octant Sextant by G. Heath London

  See our current inventory of Antique sextants and ocatants here https://landandseacollection.com/id320.html     RARE & UNUSUAL 19TH Cent TRANSITIONAL PRESENTATION OCTANT – COMPLETE   Presented is an ebony frame, ivory arc, antique sextant by the  British instrument maker, G. Heath, London. It looks like it has been preserved in a time capsule and never used. Most all the […]

Antique Spencer Barrett London Octant Ca 1840

By Rare British Maker Presented is an ebony frame, ivory arc, antique sextant made by the high quality limited maker Spencer Barrett & Co. of London. It is Ca 1840 – 1850. The octant is in outstanding condition with finely made metal machinery, and sharply engraved ivory. Most of its original lacquer is intact. It […]

Antique John & Edward Troughton Octant / Sextant

See our current inventory of Antique sextants and ocatants here https://landandseacollection.com/id320.html   FAMOUS JOHN & EDWARD TROUGHTON PRESENTATION OCTANT Ca 1778 PRESENTED is a late 18th C. mariner’s octant made by the two famous Troughton brothers, John and Edward. John, the elder brother, was trained as an instrument maker by his uncle and became well […]

D. Filbly C. Plath Octant Sextant

DAVID FILBY PREDECESSOR TO C.PLATH    OCTANT WITH IVORY INSERTS Ca 1840        For Someone Who Can Afford the Finest and Rarest of its Kind!       PRESENTED is an extraordinarily rare mid 19th C mariner’s sextant with ebony frame, ivory graduated arc and vernier, and bronze fittings. This instrument is so rare that we […]

Antique Spencer Browning Rust Jesse Ramsden Octant Ca 1775

SUPERB EARLY SPENCER BROWNING & RUST~  JESSE RAMSDEN OCTANT Ca 1777      PRESENTED is a superior quality late 18th C. mariner’s three mirror octant with ebony frame. ivory graduated arc and vernier, and bronze fittings. We can say this instrument is of museum quality without reservation. The arc measures from – 5 to plus 95 degrees. In the center of the ivory degree’s […]

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