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 […]